Entomology Commons^™

Carpenter Ants, Ryan S. Davis

All Current Publications

Carpenter ants in the genus Camponotus (Hymenoptera: Formicidae) are considered some of the most serious pests to wood structures worldwide. There are over 900 species of carpenter ants in the world, 50 in the United States and Canada, and 12 in Utah. In nature, carpenter ants are most abundant in forests and can be easily found under loose bark of dead trees, stumps, or fallen logs.

Biodiversity Of Insects From The Syrphidae And Carabidae Families In Three Ecological Niches (Forest, Forest Boarder, And Farming Area) In Three Communities Of The Coroico Municipality, Nor Yungas, La Paz, Eddy Alarcón

Theses and Dissertations

Today, biodiversity is one of the most studied disciplines because it encompasses all species of plants, animals, and microorganisms that exist and act within an ecosystem. In recent decades, biodiversity has been degrading rapidly due to the simplification of agricultural systems, and the irrational use of pesticides that alter the normal function of ecosystems. Within nature, each insect population is attacked by one or more natural enemies. In this investigation, during a six month period from June to December 2006, the biodiversity of predatory insects from the syrphidae and carabidae families was determined in three ecological niches of three communities …

Black Grass Bugs, Erin W. Hodgson

All Current Publications

Black grass bugs are common insects in native and introduced range grasses. These insects belong to a large and diverse family of true bugs (Hemiptera: Miridae). Many species of black grass bugs occur in the United States, including 23 Irbisia spp. and 8 Labops spp. The most common species in Utah include I. pacifica and L. hesperius. Both types of black grass bugs can have adults with fully formed wings, but shortwinged forms are also naturally occurring.

Fleas, Erin W. Hodgson, Jay B. Karren, Alan H. Roe

All Current Publications

Fleas transmit disease and parasitic worms, and cause allergic dermatitis to humans and animals. There are about 2,000 different flea species in the world and at least 325 species in North America, all belonging to the order Siphonaptera. Fleas are not likely to be confused with other insects because adults are flattened dorsal-ventrally, or side-to-side.

Beneficial Insects: Beetles, Erin W. Hodgson, Ron Patterson

All Current Publications

There are many beneficial beetles in Utah besides lady beetles or ladybugs. Beetles can significantly reduce common insect and weed problems and in some cases eliminate the need for chemical control. Examples of beneficial beetles include: ground beetles, rove beetles, tiger beetles and tortoise beetles. Many of these beetles are native to Utah, while others have been purposely introduced to help control damage from exotic insect and weed pests.

Beneficial Insects: Mantids, Erin W. Hodgson, Ron Patterson

All Current Publications

Mantids refer to an entire predatory group of insects in the order Mantodea. The term “mantis” or “praying mantis” actually refers to a particular genus of mantids. Therefore, only some mantids belong to the genus Mantis. There are about 2,000 species of mantids worldwide and at least 20 species in the U.S. Two mantid species dominate Utah gardens: European mantid and Chinese mantid.

Beneficial Insects: True Bugs, Erin W. Hodgson, Ron Patterson

All Current Publications

True bugs have piercing-sucking mouthparts and belong to the order Hemiptera and suborder Heteroptera. There are more than 38,000 species of true bugs, and are most closely related to aphids, cicadas, and leaf hoppers. Although some true bugs are considered pests, about one-third are predaceous. True bugs have forewings, or hemelytra, that cross over the back at rest, but sometimes the wings are reduced.

Cereal Leaf Beetle, Erin W. Hodgson, Edward W. Evans

All Current Publications

Cereal leaf beetle, Oulema melanopus, is a leaf beetle in the family Chrysomelidae. These beetles are native to Europe and have been considered pests of small grains since 1737. In 1962, cereal leaf beetle was first detected in the United States in a Michigan grain field. Since the 1960s, this insect has spread throughout much of the United States and Canada; now at least 30 states have confirmed cereal leaf beetle populations.

Aphids In Alfalfa, Erin W. Hodgson

All Current Publications

Aphids belong in the order Hemiptera and family Aphididae. Aphids are common insects in field and forage crops, with at least six kinds in Utah alfalfa.

Armyworm And Cutworms In Turf, Erin W. Hodgson

All Current Publications

Armyworms and cutworms can be found all over the United States, with at least three species found in Utah. These insects belong to a large group of night-flying moths in the family Noctuidae. Although not new pests to turfgrass, armyworms and cutworms are often ignored, and plant health decline is confused with drought stress, fungal disease, or other insects.

On New Characters Of The Eggs Of Embioptera With The Description Of A New Species Of Saussurembia (Anisembiidae), Janice Edgerly-Rooks, Claudia Szumik, Chanel Mccreedy

Biology

Nine egg characters for eleven species of Embioptera are described for the first time. Egg variability indicates its potential use in taxonomy. Here, we analyse the correlation of this variability with the ordinal classification. In addition, a new species of Saussurembia (Anisembiidae) from Trinidad is described, including classical traits in the systematics of Embioptera (adult male and female), as well as general features of the egg and maternal behaviour.

Trophic Interactions Between Two Herbivorous Insects, Galerucella Calmariensis And Myzus Lythri, Feeding On Purple Loosestrife, Lythrum Salicaria, And Two Insect Predators, Harmonia Axyridis And Chrysoperla Carnea, Bethzayda Matos, John J. Obrycki

Entomology Faculty Publications

The effects of two herbivorous insects, Galerucella calmariensis Duftschmid and Myzus lythri L. (Coleoptera: Chrysomelidae), feeding on purple loosestrife, Lythrum salicaria L. (Myrtiflorae: Lythraceae), were measured in the presence of two insect predators, Harmonia axyridis Pallas (Coleoptera: Coccinellidae) and Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae). A greenhouse cage experiment examined the direct effects of these predators on these herbivores, and indirect effects of predation on aboveground biomass, defoliation, number of leaves, and internode length. Eight treatment combinations with G. calmariensis, M. lythri, H. axyridis and C. carnea were applied to caged L. salicaria. The experiment ended …

Early Childhood Thematic Unit: A 32-Week Curricular Resource: Fairy Tales - Insects - Dinosaurs, Institute For The Development Of Gifted Education, Ricks Center For Gifted Children, University Of Denver

Ricks Curriculum Units Series

An integrated curriculum is an instructional approach that connects the disciplines to an underlying theme or topic. Immersing students in an integrated-thematic unit provides the backdrop for experiences to occur across the disciplines. Shaping coursework around integrated themes is especially appropriate for gifted students, however using an integrated-thematic curriculum is appropriate for all learners as it develops students' abilities to make connections, to solve problems by looking at multiple perspectives, and to integrate information from different fields of experience. An integrated-thematic curriculum permits students to be active participants in their own learning as they design their own explorations and take …

Insect Species Described From Big Bend National Park, Arnold F. Van Pelt

Insecta Mundi

The list contains 192 insect species, of which 139 are primary types. All have been described from material collected in or near Big Bend National Park, Texas.

Clover Mites, Dr. Jay B. Karren, Alan H. Roe

All Current Publications

Clover mites, Bryobia praetiosa Koch, are not insects but are more closely related to chiggers, ticks, and spiders. They belong to the spider mite family Tetranychidae. These mites are found throughout the world on trees, shrubs, flowers, grasses, and agricultural crops.

Vitellogenin Titres In Normal And Accelerated Maturation Of Gragarious-Phase Schistocerca Gregaria, Hassane Mahamat, Ahmed Hassanali, Hans Joerg Ferenz

All Peer-Reviewed Publications

Isolation of vitellogenin of the Schistocerca gregoria (Forskal) in its gregarious phase was achieved by a combination of gel permeation and anion exchange chromatography. Staining for carbohydrate and lipid moieties showed that the vitellogenin is a glycolipoprotein. The vitellogenin of S. gregaria has a native molecular weight of about 700 kDa. On SDS-PAGE, the protein showed nine apoproteins of about 124, 120, 105, 60, 59, 58, 57, 53 and 34 kD. Determination of the levels of vitellogenin by ELISA in the haemolymph of maturing females showed that those exposed to mature males from 1 to 2 days after ecdysis had …

Development Of Multiple Pest Resistant Crop Cultivars, Elvis A. Heinrichs

Department of Entomology: Faculty Publications

Insects are one, among a number, of biotic and abiotic constraints that limit the production of food crops. Entomologists can play a key role in increasing food production through the development of insect-resistant crop cultivars. Resistant cultivars are sought as a major tactic in the development of IPM strategies and have been shown to be compatible with biological, chemical and cultural control tactics. There has been significant progress in the breeding and commercial utilization of multiple pest resistant crop cultivars having resistance to insects, diseases and nematodes. The most notable examples are rice cultivars which are grown on millions of …

Bulletin 4265 - Termites, Peter Davis

Bulletins 4000 -

Termites are small, soft-bodied, social insects that feed on wood, grass, dead leaves, bark, humus, fungi or the dung of herbivore. They are commonly known as white ants, but are not related to true ants.

There are over 2300 species of termite of which about350 occur in Australia, and of these about 12 damage sound timber.

Nebraska Butterflies, Stephen M. Spomer

University of Nebraska State Museum: Staff and Affiliates, Publications

Nebraska is a crossroads of butterfly diversity. Many species reach their distributional limits in Nebraska. The 100th meridian, which runs through central Nebraska, appears to be a good distributional limit for many species. In short, eastern Nebraska contains butterflies similar or identical to those found in most of the eastern United States, central Nebraska has both eastern and western butterflies, and western Nebraska has a butterfly fauna more like the Rocky Mountains or Black Hills. Over 200 species of butterflies have been recorded in Nebraska, which is a higher number than most of our neighboring states. Some of our butterflies …

Bulletin 4241 - Chemical Control Of Insect Pests In Field Crops And Pastures, T. P. Quinn, G. P. Mangano, P. J. Michael

Bulletins 4000 -

Chemicals currently registered in Western Australia for use against pests of field crops and pasture are given in the table below. Trade names are listed alongside each chemical formulation.

Department of Agriculture Bulletin 4185 "Insect and allied pests of extensive fanning" will help you identify the pest(s) through coloured photographs, descriptions and keys. Information on the type of damage, life cycle and control is also provided. Further information is available in Farmnotes on specific pests and on pests of a particular crop.

The Poison Schedule for each product is indicated in the table. Extremely toxic chemicals are labelled as "dangerous …

A Seasonal Comparison Of Metabolic And Water Loss Rates Of Three Species Of Grasshoppers, Lynn J. Forlow, James A. Macmahon

Green Canyon Environmental Research Area, Logan Utah

1. 1. Seasonal differences in metabolic and water loss rates were examined in three related species of grasshoppers collected from shrub-steppe communities in Utah: Arphia conspersa, A. pseudonietana and

2. 2 cohorts of Trimerotropis pallidipennis. 2. No significant differences (P = 0.05) in metabolic rates were observed between seasons (early vs late), between genera (Arphia vs Trimerotropis) nor among species.

3. 3. Early season (spring) grasshoppers had a higher (but non-significant) mean water loss rate (±X ± SD in mg.g−1-hr−1) (4.81 ± 1.53) than late season (summer) grasshoppers (4.43 ± 1.43).

4. 4. Among species, early season A. conspersa had …

Bionomics Of Insects Associated With Corn In The Nebraska Sandhills, J. L. Wedberg, J. B. Campbell, T. J. Helms

Nebraska Agricultural Experiment Station: Historical Research Bulletins

Investigations were conducted in the Nebraska Sandhills to determine the impact of transition from grassland to irrigated corn on selected insect species, to identify indigenous species that may be economically important to corn production, and to provide a point of reference for future development of pest management programs for irrigated corn.

Ultrastructure Of Histochemically Localized Cholinesterases In Central And Peripheral Nervous Systems Of Two Insects: Periplaneta Americana L. And Acheta Domestica L, Clifford James Stratton

Theses and Dissertations

Cholinesterase (ChE) was histochemically localized by three methods in the sixth abdominal ganglion and the femur of crickets and cockroaches using light and electron microscopy. The light microscopy showed that ChE in insect femur could be readily demonstrated. The ultrastructural data showed enzyme activity: in ganglion - neural lamella, perineurium, axolemma, inside axons, along glia and at probable synapses; in peripheral nerves - in glial cells, sarcoplasmic reticulum, T-system, axolemma, sarcolemma and at neuromuscular junctions. All activity was inhibited with 10-4 eserine except in the neural lamella, suggesting cholinesterase at all of the above sites except the neural lamella where …

A Comparative Study Of The Axillary Sclerites In Coleoptera, Howard P. Shurtleff

Theses and Dissertations

The axillary sclerites of 69 species representing 52 families of the order Coleoptera were examined and illustrations prepared of most or them. A description is given for the typical axillary sclerites and the deviations in form from this pattern are discussed for the major groups of beetles. The phylogenetic relationships between some families, and other groups, are pointed out based on the morphology of the axillary sclerites. Phyletic groups in Adephaga are characterized by the axillary sclerites, but in the Polyphaga variations are too numerous and inconsistant to be useful in determining phyletic trends.

Pollination Of Seed Crops By Insects (In Seeds. The Yearbook Of Agriculture), George E. Bohart, Frank E. Todd

All PIRU Publications

No abstract provided.

Bees. Their Place In The World Of Insects, George E. Bohart, William P. Nye

All PIRU Publications

No abstract provided.

Insect Pest - The Black Beetle, C F.H Jenkins

Journal of the Department of Agriculture, Western Australia, Series 3

The black beetle (Heteronychus sanctae-helenae Blanchard) is a native of South Africa which seems to have first gained a footing in Australia in about 1930, for it was then recorded as a pest of maize in New South Wales. (Gurney 1934). The first reports of the beetle in Western Australia came from Albany in 1938 when some damage to potatoes was experienced. Since that date the beetle has gradually spread and it is now common in the metropolitan area where it infests golf greens, tennis courts and similar turf areas. It is also gradually increasing in importance as a market …

Insect Pests - Aphides, C F.H Jenkins

Journal of the Department of Agriculture, Western Australia, Series 3

The members of the aphis family are remarkable creatures both in structure and habits. They are practically world-wide in their distribution and despite their small size and apparent fragility they thrive under a wide variety of conditions and are among the most prolific breeders in the animal kingdom.

The Webworm, C F.H Jenkins

Journal of the Department of Agriculture, Western Australia, Series 3

The popular name webworm has been applied to a small caterpillar whose depredations in ploughed-in wheat crops have concerned farmers in this State for many years. The first record of the insect as a pest was made by Newman (1927) under the scientific name of Sclerobia tritialis Wlk. and it has been referred to as such in all subsequent Departmental publications. Recent investigations, how-ever, suggest that either more than one species of insects is covered by the term webworm or that the true webworm is a Crambid moth known as Talis pedionoma Mayr.

Insect Pests And Their Control, C. F. H. Jenkins

Journal of the Department of Agriculture, Western Australia, Series 3

Methods of insect control are sometimes classified under the four following headings—Quarantine, Cultural Methods, Biological Control and Chemical Treatments. Each method has its own particular part to play in preventing the spread and multiplication of insect pests and it is essential for maximum results that everyone—whether he be a commercial grower or a backyard gardener—has a general understanding of the principles involved.