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Articles 1291 - 1320 of 1578

Full-Text Articles in Entomology

Life History And Description Of The Immature Stages Of Macrotheca Unipuncta (Lepidoptera: Pyralidae), James Liebherr Oct 2017

Life History And Description Of The Immature Stages Of Macrotheca Unipuncta (Lepidoptera: Pyralidae), James Liebherr

The Great Lakes Entomologist

During the summer of 1975, an unknown larval pyralid was found living under the loose outer back of domestic grape (Vitis vinifera L.) in southwestern Michigan. Subsequent rearing enabled it to be identified as Macrotheca unipuncta Dyar. Following is a description of the larval and pupal stages of the insect, and a discussion of its bionomics.


Disease As A Larval Mortality Factor In Alfalfa Weevil, Hypera Postica (Coleoptera: Curculionidae) Populations In Illinois, S. J. Roberts, J. V. Maddox, D. P. Bartell, E. J. Armbrust Oct 2017

Disease As A Larval Mortality Factor In Alfalfa Weevil, Hypera Postica (Coleoptera: Curculionidae) Populations In Illinois, S. J. Roberts, J. V. Maddox, D. P. Bartell, E. J. Armbrust

The Great Lakes Entomologist

During the 1974 growing season, larvae of the alfalfa weevil, Hypera postica (Gyllenhal), were examined for pathogens. Three larvae out of 715 examined were infected with a microsporidium. This infection was present in both Washington and Mason counties in Illinois.


Influences Of Host Density, Temperature, And Parasite Age On The Reproductive Potential Of Bathyplectes Curculionis (Hymenoptera: Ichneumonidae), An Endoparasite Of The Alfalfa Weevil (Coleoptera: Curculionidae), Robert J. Barney, Daniel P. Bartell, W. G. Ruesink Oct 2017

Influences Of Host Density, Temperature, And Parasite Age On The Reproductive Potential Of Bathyplectes Curculionis (Hymenoptera: Ichneumonidae), An Endoparasite Of The Alfalfa Weevil (Coleoptera: Curculionidae), Robert J. Barney, Daniel P. Bartell, W. G. Ruesink

The Great Lakes Entomologist

Alfalfa weevil larvae were exposed to Bathyplectes curculionis (Thomson) to determine the effect of host density, temperature, and parasite age on the reproductive potential of curculionis. Percent parasitism was found to be inversely proportional to host density and most of the parasites distributed their eggs randomly regardless of host density. The number of eggs deposited was largely independent of temperature. Peak egg laying was reached in three days from which point the parasite's capabilities diminished with increasing age. The longevity of ovipositing females was shorter than females that were not exposed to larvae.


New World Limnichinae Iii. A Revision Of Limnichites Casey (Coleoptera: Limnichidae), David P. Wooldridge Oct 2017

New World Limnichinae Iii. A Revision Of Limnichites Casey (Coleoptera: Limnichidae), David P. Wooldridge

The Great Lakes Entomologist

A diagnosis is given for the genus Limnichites. Descriptions and a key to separate the 12 known species, including five new species, are presented. The new species are Limnichites imparatus, L. porrectus. rudis, L. browni, L. simplex.


Staphylinidae From Under Bark And At Sap Of Trees, A Preliminary Survey Of Species Possibly Beneficial To Forestry (Coleoptera), E. F. Legner, Ian Moore Oct 2017

Staphylinidae From Under Bark And At Sap Of Trees, A Preliminary Survey Of Species Possibly Beneficial To Forestry (Coleoptera), E. F. Legner, Ian Moore

The Great Lakes Entomologist

Two hundred and one species of Staphylinidae known to be found under bark or at sap of trees are listed. The possibility of these insects being important elements in the population dynamics of forest pests is discussed. An indication is given of the distribution and habitat of each species.


Scotch Pine Deterioration In Michigan Caused By Pine Root Weevil Complex, Daniel G. Mosher, Louis F. Wilson Oct 2017

Scotch Pine Deterioration In Michigan Caused By Pine Root Weevil Complex, Daniel G. Mosher, Louis F. Wilson

The Great Lakes Entomologist

Pine root tip weevil, Hylobius rhizophagus, and pine root collar weevil, H. radicis, attack certain Scotch pine stands simultaneously causing more mortality than expected from either insect alone. Recommendations for curtailing this insect complex include favoring red pine, planting Scotch pine far from brood sources, and avoiding stump culture of Christmas trees.


Observations On Colony Size In Bumblebees (Bombus Spp.), Robert W. Husband Oct 2017

Observations On Colony Size In Bumblebees (Bombus Spp.), Robert W. Husband

The Great Lakes Entomologist

(excerpt)

One factor to consider when attempting to rear bumblebees (Bombus spp.) for pollination of crops is potential colony size. Species which emerge from hibernation early and continue to produce workers late in the summer or early fall are likely to have larger colonies. In contrast, Arctic species such as Bombus polaris Curtis and hyperboreus Schonherr may produce only one brood prior to the sexual brood. Richards (1973) reported that colonies of polaris are smaller than colonies of species from lower latitudes in North America. Hobbs (1967) estimated 772 as a maximum colony sue for huntii Greene in southern …


A New Genus And Species Of Isotomidae (Collembola), And A Redescription Of Cryptopygus Exilus (Gisin) N. Comb, E. C. Bernard Oct 2017

A New Genus And Species Of Isotomidae (Collembola), And A Redescription Of Cryptopygus Exilus (Gisin) N. Comb, E. C. Bernard

The Great Lakes Entomologist

A new genus and species of Collembola in the family lsotomidae are described from Michigan: Micranurophorus musci n. g., n. sp. A redescription of Cryptopygus exilis (Gisin) (= Isotomina exilis Gisin) is also given, based on specimens from Michigan. The new genus is characterized by the lack of a furcula and by abdominal chaetotaxy similar to Isotomodes. It is related to Pseudanurophorus.


John Robert Eyer: Entomological Work In Pennsylvania And Lists Of Publications, A. G. Wheeler Jr., G. L. Jubb Jr. Oct 2017

John Robert Eyer: Entomological Work In Pennsylvania And Lists Of Publications, A. G. Wheeler Jr., G. L. Jubb Jr.

The Great Lakes Entomologist

(excerpt)

John Robert Eyer died at Carlsbad, New Mexico, on January 30, 1976. J. G. Watts and W. A. Iselin (1976), his former colleagues in the Department of Botany and Entomology at New Mexico State University, Las Cruces, wrote an obituary and quite naturally focused on Eyer's work at the University's Agricultural Experiment Station. Since Dr. Eyer's first positions in entomology were in Pennsylvania, we have prepared this biographical sketch to preserve the record of his early accomplishments.


On The Occurrence Of Oarisma Garita (Reakirt) (Lepidoptera: Hesperiidae) In Manitoulin District, Ontario, Paul M. Catling Oct 2017

On The Occurrence Of Oarisma Garita (Reakirt) (Lepidoptera: Hesperiidae) In Manitoulin District, Ontario, Paul M. Catling

The Great Lakes Entomologist

(excerpt)

On 26 June, 1976, I stopped to examine plants and collect insects on the alvars or limestone barrens on Great La Cloche Island, north of Little Current in Manitoulin District, Ontario. 1 was especially interested to learn whether or not there were any insects of western affinity in this area since some of the plant species present are at, or near to, the eastern limits of their distribution (Catling et al., 1975). It was mild and sunny, and insects were abundant. Within a few minutes 1 noticed a dark, fast-flying skipper that otherwise resembled Thymeliczrs lineola (Ochsenheimer). The dark …


Intraspecific Variation In Taxonomic Characteristics Of The Mayfly Potamanthus Myops (Walsh), Robert J. Lord, Peter G. Meier Oct 2017

Intraspecific Variation In Taxonomic Characteristics Of The Mayfly Potamanthus Myops (Walsh), Robert J. Lord, Peter G. Meier

The Great Lakes Entomologist

Data collected from an ecological study of the mayfly Potamanthus rnyops (Walsh) in Michigan showed intraspecific variability in taxonomic characteristics that have been employed by previous investigators for species separation. Nymphal dorsal maculation patterns varied considerably within a single population. Also, the ratio of mandibular tusk length to head length increased with successive nymphal instars. Certain adult taxonomic characteristics, particularly relative male imago eye size and distance of separation, were either too poorly defined or too variable to be conclusive in species identification.


Weights Of Polia Grandis Pupae Reared At Two Constant Temperatures (Lepidoptera: Noctuidae), William E. Miller Oct 2017

Weights Of Polia Grandis Pupae Reared At Two Constant Temperatures (Lepidoptera: Noctuidae), William E. Miller

The Great Lakes Entomologist

Sibling Polia grandis (Boisduval) larvae were reared at two constant temperatures on fresh foliage of quaking aspen (Populus tvemuloides Michx.). Female pupae developing at 25°C were 24% heavier than those developing at 30°C and corresponding males were 32% heavier. Duration of the larval period averaged 51 days at the former temperature and 41 days at the latter. Based on other Lepidoptera, a 24% change in pupal weight affects fecundity by 28 to 130 eggs per female. Fluctuations in larval temperature regime might induce size and fecundity variation in natural populations of grandis and other Lepidoptera.


The Distribution Of Corydalus Cornutus (Linnaeus) And Nigronia Serricornis (Say) (Megaloptera: Corydalidae) In Michigan, Allen W. Knight, Clifford A. Siegfried Oct 2017

The Distribution Of Corydalus Cornutus (Linnaeus) And Nigronia Serricornis (Say) (Megaloptera: Corydalidae) In Michigan, Allen W. Knight, Clifford A. Siegfried

The Great Lakes Entomologist

(excerpt)

The distribution of the hellgrammite [Corydalus cornutus (Linnaeus)] and the sawcombed fishfly [Nigronia serricornis (Say)] in Michigan was determined as part of an investigation of the biology of these large Megalopterans (Knight and Simmons, 1975a, 1975b). Megalopteran larvae are some of the largest aquatic insects, with a maximum length of approximately 84 mm. They are robust larvae with paired lateral abdominal appendages on segments 1-8 and a pair of anal prolegs bearing two strong hooks. They are fiercely predaceous and generally insectivorous, feeding chiefly on larvae of Simulium, Cheumatopsyche, Hydropsyche and Chironomidae, but eating almost anything they can subdue, …


An Annotated List Of The Cerambycidae Of Michigan (Coleoptera) Part Ii, The Subfamilies Lepturinae And Lamiinae, D.C. L. Gosling, N. M. Gosling Oct 2017

An Annotated List Of The Cerambycidae Of Michigan (Coleoptera) Part Ii, The Subfamilies Lepturinae And Lamiinae, D.C. L. Gosling, N. M. Gosling

The Great Lakes Entomologist

(excerpt)

This is a continuation of Part I of an annotated list of the Cerambycidae known from Michigan, and includes the remaining subfamilies Lepturinae and Lamiinae. The format is similar to that used in Part I. We have largely followed the systematic order of Chemsak and Linsley (1975) in this part of the list. Keys for the identification of adult Lepturinae can be found in Linsley and Chemsak (1972; in press). References to keys for adult Lamiinae are listed under that subfamily. Many larvae may be identified through the keys in Craighead (1923), but not all Michigan species are covered


1973 Evaluations Of Some Pesticide Residues In Food: The Monographs. Food And Agriculture Organization Of The United Nations, Rome, 1975. 491 P. Available From Unipub, Box 433, Murray Hill Station, New York, Ny 10016. $15.00., A. W. A. Brown Oct 2017

1973 Evaluations Of Some Pesticide Residues In Food: The Monographs. Food And Agriculture Organization Of The United Nations, Rome, 1975. 491 P. Available From Unipub, Box 433, Murray Hill Station, New York, Ny 10016. $15.00., A. W. A. Brown

The Great Lakes Entomologist

(excerpt)

The evaluations of residues on foodstuffs contained in these monographs were prepared by a joint meeting of an FA0 expert committee and a WHO expert committee on pesticide residues that met in Geneva and produced its report "Pesticide Residues in Food" published as WHO Technical Report Series No. 545 and FA0 Agricultural Studies No. 92 in 1974. The


The Mayflies, Or Ephemeroptera, Of Illinois. B. D. Burks, 1975 Reprint Of Bulletin Of The Illinois Natural History Survey, Vol. 26, 1953. Entomological Reprint Specialists, Los Angeles, California, Viii + 216 P., 395 Figs. $15.00., W. P. Mccafferty Oct 2017

The Mayflies, Or Ephemeroptera, Of Illinois. B. D. Burks, 1975 Reprint Of Bulletin Of The Illinois Natural History Survey, Vol. 26, 1953. Entomological Reprint Specialists, Los Angeles, California, Viii + 216 P., 395 Figs. $15.00., W. P. Mccafferty

The Great Lakes Entomologist

(excerpt)

The continuing demand for general references and aids to identification of Ephemeroptera has undoubtedly prompted the recent reprinting of The Mayflies. . . of Illinois. A two-page preface by George F. Edmunds, Jr. dealing with taxonomic and nomenclatural changes since the original 1953 publication has been added and will serve as an adequate aid to those unfamiliar with changing concepts in mayfly systematics. The reprinting is of high quality with the large number of figures having been excellently reproduced in this hard-bound edition.


The World Of Moths. Michael Dickens And Eric Storey. Macmillan Publishing Co., Inc., New York, 1974. 128 P., 103 Plates. $6.95., M. C. Nielsen Oct 2017

The World Of Moths. Michael Dickens And Eric Storey. Macmillan Publishing Co., Inc., New York, 1974. 128 P., 103 Plates. $6.95., M. C. Nielsen

The Great Lakes Entomologist

(excerpt)

This little book will undoubtedly please the amateur collector and rearer of the exotically and exquisitely colored species such as found in the Saturniidae and Sphing- idae. Of the 103 colored photographic plates, 69 illustrate species from these two popular families. Each species is figured on a white background in sharp and vivid color. One species is figured on a page, except for Epicopeia polydora, which includes a figure of its mimetic model Papilio rhetenor.


Mites Of Moths And Butterflies, Asher Treat. Cornell University Press, 1975. $35.00., Robert W. Husband Oct 2017

Mites Of Moths And Butterflies, Asher Treat. Cornell University Press, 1975. $35.00., Robert W. Husband

The Great Lakes Entomologist

(excerpt)

Don't let the price tag frighten you. This is a book you will turn to again and again, in fact every time you pick up a moth or butterfly and wonder if it is one of those on which Asher Treat found mites. The quotation on the fly leaf gives an insight into the enthusiasm and curiosity, as well as the thoroughness of Asher Treat. "Whether in the field, at home, or in a museum collection, the search for mites on insect hosts is an adventure as exciting as any treasure hunt. Every insect, looked at closely enough to …


Les Carabidae Du Quebec Et Du Labrador. Andre Larochelle, Dept. De Biologie Du College Bourget, Rigaud, Quebec. Bull. 1:1-255. 1975. $15.00 Canadian., James Liebherr Oct 2017

Les Carabidae Du Quebec Et Du Labrador. Andre Larochelle, Dept. De Biologie Du College Bourget, Rigaud, Quebec. Bull. 1:1-255. 1975. $15.00 Canadian., James Liebherr

The Great Lakes Entomologist

(excerpt)

This work is advertised as a catalog of the Carabidae of Quebec, with annotations concerning distribution and bionomics of the various Quebec species. Mr. Larochelle's long range plan is aimed at a complete study of "the ecology, the biology, and the dynamics of those marvelous insects." This, therefore, appears to be the first part of a set of papers similar to Carl Lindroth's studies of Newfoundland carabids (Lindroth, 1955, 1963).


Erynnis Funeralis (Lepidoptera: Hesperiidae) And Polygonia Zephyrus (Lepidoptera: Nymphalidae) In Indiana: New State Records, Ernest M. Shull Oct 2017

Erynnis Funeralis (Lepidoptera: Hesperiidae) And Polygonia Zephyrus (Lepidoptera: Nymphalidae) In Indiana: New State Records, Ernest M. Shull

The Great Lakes Entomologist

(excerpt)

On July 1, 1975, while collecting 18 Pieris napi oleraceal (Harris) in the famous tamarack bog near Mongo, LaGrange Co., Indiana, I collected a somewhat worn male Erynnis funeralis Scudder & Burgess when it was resting on the ground in an area between the bog and a woods.


A New Prey Record For Cerceris Fumipennis Say (Hymenoptera: Sphecidae: Cercerini), Daniel K. Young Oct 2017

A New Prey Record For Cerceris Fumipennis Say (Hymenoptera: Sphecidae: Cercerini), Daniel K. Young

The Great Lakes Entomologist

(excerpt)

The sphecid wasp tribe Cercerini is comprised of the genera Cerceris and Eucerceris, the former being widely distributed and the latter restricted to North America All species of Eucerceris for which prey records have been determined utilize snout beetles or weevils (Curculionidae) to feed the young. In North America, known prey records for Cerceris include members of the beetle families Buprestidae, Tenebrionidae, Chrysome- lidae, Bruchidae, and Curculionidae. Some European members of the genus have been

reported to provision the nests with other hymenopterans (e.g. solitary bees of the families Halictidae and Andrenidae) in addition to beetles.


Anaphes (Hymenoptera: Mymaridae) Reared From The Eggs Of A Shore Fly (Diptera: Ephydridae), R. W. Thier, Richard S. Zack, B. A. Foote Oct 2017

Anaphes (Hymenoptera: Mymaridae) Reared From The Eggs Of A Shore Fly (Diptera: Ephydridae), R. W. Thier, Richard S. Zack, B. A. Foote

The Great Lakes Entomologist

Members of the family Mymaridae are obligate parasitoids of insect eggs, and some species attack the eggs of aquatic insects. Only one account of egg parasitism by the mymarid genus Anaphes on Diptera has been disclosed in the literature. Bakkendorf (1971) bred Anaphes autumnalis Foerster from an egg of Tipula autumnalis Loew.


A Possible Case Of Spatial Isolation In Brine Flies Of The Genus Ephydra (Diptera: Ephydridae), Richard S. Zack, R. W. Thier, B. A. Foote Oct 2017

A Possible Case Of Spatial Isolation In Brine Flies Of The Genus Ephydra (Diptera: Ephydridae), Richard S. Zack, R. W. Thier, B. A. Foote

The Great Lakes Entomologist

(excerpt)

During the summer of 1975, adults and larvae of Ephydra riparia Fallen and E. cinerea Jones were encountered in the many brine pools occurring on the property of the Morton Salt Company at Rittman, Wayne County, Ohio (Scheiring and Foote, 1973). Larvae of both species have been reported to be salt tolerant (Bayly, 1972). E. ripariu larvae can survive in salinities up to 80°/oo (Sutcliffe, 1960), and the larvae of cinerea have been encountered by Nemenz (1960) in the Great Salt Lake of Utah at a salinity of 300°/oo.


An Alternative To Using Fresh Alfalfa For Culturing Colias Philodice Eurytheme Boisduval (Lepidoptera: Pieridae), L. J. Crain, S. J. Roberts, E. J. Armbrust Oct 2017

An Alternative To Using Fresh Alfalfa For Culturing Colias Philodice Eurytheme Boisduval (Lepidoptera: Pieridae), L. J. Crain, S. J. Roberts, E. J. Armbrust

The Great Lakes Entomologist

Various artificial materials were implemented at each life stage of the alfalfa caterpillar, Colias philodice eurytheme Boisduval, to provide effective and economical replacements for alfalfa. Alfalfa substitutes were used for oviposition and feeding. We also developed a favorable laboratory mating environment. Also, the development of a method for removing disease organisms from eggs without increasing egg mortality was an essential facet of this work. The performance of individuals on artificial surfaces was compared with similar individuals reared on greenhouse alfalfa.

Green tape oriented at the top of oviposition cages or near some object which could be held on to while …


Lice, Mites, And Ticks Of Southeastern Wisconsin Mammals, Omar M. Amin Oct 2017

Lice, Mites, And Ticks Of Southeastern Wisconsin Mammals, Omar M. Amin

The Great Lakes Entomologist

Seventeen species of southeastern Wisconsin mammals were found to 6e infected with arthropod ectoparasites other than fleas. One host species was infested with one species of biting lice (Mallophaga), five with five species of sucking lice (Anoplura), ten with at least 16 species of mites (Acari) and nine with six species of hard ticks (Ixodidae). Many new state and/or host records are reported. Host specificity was very pronounced in lice but less marked in ticks and mites particularly in the more common species, ex. Androlaelaps fahrenholzi (Berlese) and Ixodes cookei Packard, respectively.


Lethal Temperatures Of Diapausing Bathyplectes Curculionis (Hymenoptera: Ichneumonidae) A Parasite Of The Alfalfa Weevil (Coleoptera: Curculionidae), Ronald H. Cherry, Edward J. Armbrust, William G. Ruesink Oct 2017

Lethal Temperatures Of Diapausing Bathyplectes Curculionis (Hymenoptera: Ichneumonidae) A Parasite Of The Alfalfa Weevil (Coleoptera: Curculionidae), Ronald H. Cherry, Edward J. Armbrust, William G. Ruesink

The Great Lakes Entomologist

Seasonally acclimatized diapausing larvae of Bathyplectes curculionis (Thomson) were exposed to extreme hxgh and low temperatu~es to determine lethal temperatures for this stage of the parasite. The possible effects of relative humidity on high temperature mortality, mortality induced by repetitive exposures to sublethal temperatures, and differential survival between sexes, were also measured. The upper lethal temperature for summer larvae was 60°C (LDSo from 2 to 4 h), and the lower lethal temperature for winter larvae was -25°C (LDSo from 0 to % h). Summer larvae showed significantly increased mortality with repetitive exposures to sublethal temperatures (55OC) whereas winter larval mortality …


Feeding Habits Of Wisconsin's Predominant Lotic Plecoptera, Ephemeroptera, And Trichoptera, Theodore J. Shapas, William L. Hilsenhoff Oct 2017

Feeding Habits Of Wisconsin's Predominant Lotic Plecoptera, Ephemeroptera, And Trichoptera, Theodore J. Shapas, William L. Hilsenhoff

The Great Lakes Entomologist

Feeding habits of nymphs or larvae of 101 species of Plecoptera, Ephemeroptera, and Trichoptera collected from Wisconsin's streams were determined by examining foregut contents. The percent by volume of animal, live vascular plant, filamentous algae, diatom, and detrital material recovered is reported. Plecoptera in the suborder Filipalpia were herbivoredetritivores, and most in the suborder Setipalpia were carnivores. Exceptions were Isoperla bilineata (Say), an omnivore, and Isoperla signata (Banks) and I. slossonae (Banks), both detritivore-herbivores. Except for omnivore Ephemerella cornuta Morgan, Ephemeroptera were detritivore-herbivores. Feeding habits of Trichoptera larvae were diverse. Species of Rhyacophilidae, Polycentropodidae, and Phyrganeidae were all carnivores, while …


Pupa Of Phaleria Rotundata Leconte (Coleoptera: Tenebrionidae), Ian Moore Oct 2017

Pupa Of Phaleria Rotundata Leconte (Coleoptera: Tenebrionidae), Ian Moore

The Great Lakes Entomologist

(excerpt)

It is not necessary to apologize for making known fragments of the insect fauna of the seabeach of Pacific North America. This fauna commands attention. Among its several aspects are (1) it is linear, extending several thousand kilometers from north to south, but being only a few hundred meters wide, (2) its species are all confined within the seabeach limits, and (3) it is a threatened fauna particularly in southern California where the habitat is being rapidly altered by man for purposes of industry, housing and recreation. P~eservation of specimens from this fauna and recording of observations on its …


A New Species Of Laspeyresia From Michigan (Lepidoptera: Olethreutidae), William E. Miller Oct 2017

A New Species Of Laspeyresia From Michigan (Lepidoptera: Olethreutidae), William E. Miller

The Great Lakes Entomologist

Laspeyresia lacustrina is described from four specimens, all female, captured in flight at two locations in Lower Michigan. On the exterior, the moth most resembles L. populana Busck and several other eastern species; its genitalia most resemble the western L. lautiuscula Heinrich. With wing length 8.4 to 9.4 mm, L. lacustrina is among the largest North American members of the genus.


A List Of The Scutelleroidea Of The La Rue-Pine Hills Ecological Area With Notes On Biology, J. E. Mcpherson, R. H. Mohlenbrock Oct 2017

A List Of The Scutelleroidea Of The La Rue-Pine Hills Ecological Area With Notes On Biology, J. E. Mcpherson, R. H. Mohlenbrock

The Great Lakes Entomologist

A survey of the scutelleroid fauna of the LaRue-Pine Hills Ecological Area, Union County, Illinois was conducted from May, 1972 to September, 1974. Forty-nine species were collected, five of which were state records. The remaining 44 represented over 57% of the species presently listed for Illinois. Life history information was collected for the majority of species, including host plants, predators and parasites. The pertinent literature is summarized for each species.