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Synoptic Revision Of The United States Scarab Beetles Of The Subfamily Dynastinae, No. 5: Keys To Tribes And Genera, Lawrence Saylor

Entomology Papers from Other Sources

This paper completes my studies covering a synoptic review of the United States dynastine scarab beetles, the preceding four parts having been published in this same JOURNAL.

KEY TO UNITED STATES TRIBES

The genera of the tribes Phileurini and Dynastini were covered in Part 4 of this series, and the genera of the tribe Cyclocephalini in Part 1. The tribe Oryctini was discussed in Part 2 and in Part 3 and was completed in Part 4; these eight United States genera of Oryctini may be separated as follows: KEY TO GENERA OF UNITED STATES ORYCTINI

SUPPLEMENT Euetheola subglabra Schaeffer Since …

Synoptic Revision Of The United States Scarab Beetles Of The Subfamily Dynastinae, No. 4: Tribes Oryctini (Part), Dynastini, And Phileurini, Lawrence W. Saylor

Entomology Papers from Other Sources

This paper is the fourth in the series of my United States dynastine scarab beetle studies and completes the specific listings and notes. The fifth, and last, part will include a complete classification of the tribes and genera, from the Nearctic standpoint.

Genus Aphonus LeConte

Tribe DYNASTINI -- Genus Dynastes Kirby, Genus Megasoma Kirb

Tribe PHILEURINI -- Genus Archopbileurus Kolbe, Genus Phileurus Latreille

A New Sciurid Of Blancan Age From Kansas And Nebraska, Claude W. Hibbard

Bulletin of the University of Nebraska State Museum (1924–2023)

The collecting of vetebrate fossils from deposits of Blancan age in Kansas, Nebraska, and Texas during the past twelve years has revealed many interesting forms. Some species have been found to have wide geographic distribution. A large sciurid related to the woodchucks has been recognized from both Kansas and Nebraska and is here described as a new genus and species.

Ec1551 Insect Control In The Production Of Alfalfa Seed, Ephriam Hixson

University of Nebraska-Lincoln Extension: Historical Materials

Extension circular 1551 discusses insect control in the production of alfalfa seed.

Ec1507 Revised 1947 New Insecticides For The Control Of Grasshoppers, Ephriam Hixson

University of Nebraska-Lincoln Extension: Historical Materials

Extension circular 1507 Revised 1947 discusses new insecticides for the control of grasshoppers.

Ec1549 External Parasites Of Chickens And Ddt, Ephriam Hixson, Martin H. Muma

University of Nebraska-Lincoln Extension: Historical Materials

Extension circular 1549 discusses external parasites of chickens and DDT.

The Goss Lemming Mouse, Synaptomys Cooperi Gossii (Goues), In Nebraska, Edson Fichter, Merle F. Hansen

Bulletin of the University of Nebraska State Museum (1924–2023)

In the course of studies on the cestode parasites of microtine rodents by one of the authors (Hansen), specimens of mice were sent to the United State National Museum where they were identified by Dr. David H. Johnson. Two of these microtines proved to be Synaptomys cooperi gossii (Coues). These specimens of Synaptomys (U.S.N.M. Nos. 282343 and 282344), collected at Lincoln, Lancaster County, Nebraska, on September 16, 1946 (male) and November 20, 1946 (female), respectively, are the first ones to be identified from Nebraska.

The Geologic History Of The Bison In The Great Plains (A Preliminary Report), C. Bertrand Schultz, W. D. Frankforter

Bulletin of the University of Nebraska State Museum (1924–2023)

THE GEOLOGIC history of the bison in North America is a subject which has received little attention to date. Osteological rather than geological problems have been the main concern of most writers who have so far published. If the geologic history of the bison is to be learned, it will be necessary to devote more time and effort in the field in determining the age of the deposits in which various specimens have been discovered and in making more extensive collections from deposits of known age. Unfortunately the majority of the type specimens have been surface finds and little attempt …

Influence Of Food Plants On Fecundity, Larval Development And Abundance Of The Tuber Flea Beetle In Nebraska, Roscoe E. Hill

Nebraska Agricultural Experiment Station: Historical Research Bulletins

Laboratory and field tests were conducted to determine the effects of different food plants on fecundity, adult longevity and larval development of the tuber flea beetle, Epitrix tuberis Gentner. All food plants tested were those upon which the overwintered beetles commonly feed in the spring following emergence from hibernation.

Synoptic Revision Of The United States Scarab Beetles Of The Subfamily Dynastinae, No. 3: Tribe Oryctini (Part), Lawrence Saylor

Entomology Papers from Other Sources

This paper is the third in the series covering the United States dynastine scarab beetles and includes the four genera differentiated in the following key:

1. Apex clypeus acute and definitely bidentate, the teeth often worn and nearly obsolete. Apex clypeus acute, either sharply or bluntly so, but never bidentate. Mandibles definitely tridentate externally, the basal tooth often worn and barely visible; thorax not more than two-thirds the length of the elytra; color rufous to rufocastaneous or rufopiceous = Ligyrus Burmeister

2. Mandibles bidentate externally (caution: examine from below and laterally to avoid counting the lacinia teeth as third teeth …

Synoptic Revision Of The United States Scarab Beetles Of The Subfamily Dynastinae, No. 2: Tribe Oryctini (Part), Lawrence Saylor

Entomology Papers from Other Sources

This paper continues the series on United States dynastine scarab beetles and includes the three genera differentiated in the following key:

1. Apical margin of posterior tibia evenly truncate, never with angulations or teeth (lateral view); real apex of clypeus beyond (i.e., apical of) the apparent carinate apex; front male tibia frequently edentate. = Cheiroplatys Hope

2. Mandibles always large, always well exposed, always armed externally with teeth or else square in outline (cessus); apical margin of posterior tibia usually with 1 or 2 sharp angulations or 1 to 3 or 4 teeth. = Strategus Hope

3. Mandibles usually hidden …

Synoptic Revision Of The United States Scarab Beetles Of The Subfamily Dynastinae, No.1: Tribe Cyclocephalini, Lawrence W. Saylor

Entomology Papers from Other Sources

The important subfamily Dynastinae has for some time been relatively neglected, taxonomically speaking, and only in the past few years have new species been described or the larval characters of many species better characterized. In all collections I have seen,numerous United States species are grossly misidentified, and it is hoped that the present papers will help to rectify this condition.

Ritcher's paper (1944) is an excellent contribution to the immature stages of these insects. His title, however, Dynastinae of the United States, is very misleading, because this paper includes only a small proportion of the described United States species, and …

Effects Of Ddt And Other Insecticides On Several Species Of Potato Insects, Roscoe E. Hill

Nebraska Agricultural Experiment Station: Historical Research Bulletins

Field and laboratory tests conducted in Nebraska showed DDT to be more effective than any other material yet tested against potato insect pests. Records were obtained on tuber flea beetles, Epitrix tuberis, potato psyllids, Paratrioza cockerelli, potato leafhoppers, Empoasca fabae, green peach aphids, Myzus persicae, Lygus elisus, Chlamydatus associatus, Aceratagallia uhleri and Macrosteles divisus. DDT remained effective against potato psyllids and potato leafhoppers under field conditions for a relatively long period of time. Populations of certain beneficial insects, such as Nabis spp., Orius spp. and lady beetles were found to be significantly reduced …

Cropduster Applying Ddt To Potato Field (Photo), Stephen D. Danielson

Department of Entomology: Faculty Publications

A large print found on top of a bookshelf in my office in the Plant Industry Building on East Campus, University of Nebraska–Lincoln. The office was previously occupied by Lloyd Anderson who was located at Scotts Bluff. Photo was taken in 1945 when the insecticide DDT dust was being applied to what appears to be a potato field.

Steve Danielson, January 16, 2018

The Mosquitoes Of Nebraska, H. Douglas Tate, Doris B. Gates

Nebraska Agricultural Experiment Station: Historical Research Bulletins

A survey of mosquitoes in Nebraska was conducted by the Nebraska Agricultural Experiment Station during 1942 and 1943. The object of the study was to determine the species, relative abundance, seasonal occurrence, and principal breeding places of mosquitoes in representative areas of the state. This report presents the results of the survey, and, in addition, some records and observations made in Nebraska by other workers during and previous to initiation of the project.

External Parasites Of Poultry And Methods For Their Control, O. S. Bare

Nebraska Agricultural Experiment Station: Historical Circulars

External parasites cause severe losses to Nebraska poultry producers each year, and in many cases may be the deciding factor between success and failure. Under present circumstances, when maximum production is essential, prompt and effective measures must be taken to hold these saboteurs in check.

Controlling Stored-Grain Pests On Nebraska Farms, H. D. Tate, D. B. Whelan

Nebraska Agricultural Experiment Station: Historical Circulars

Warfare against destructive insects is not ended when grain has been placed in the bin. Here it is subject to attack by stored-grain pests which reduce its weight, feeding quality, and value for seed. These losses become especially serious when large stocks of grain are held for extended periods on farms and in warehouses. This circular describes methods available for handling and storage that will prevent or suppress infestations before they reach serious proportions.

Cockroach Control, H. D. Tate, E. C. Klostermeyer

Nebraska Agricultural Experiment Station: Historical Circulars

Cockroaches are among the most annoying and objectionable of household pests. They are a menace to sanitation, and their filthy habits result in the destruction and pollution of food. Not only may they become numerous in homes, but also in restaurants, hotels, grocery stores, dairies and other places where food is prepared or stored. Since they are active mostly at night, large numbers may develop in a building before they are known to exist.

Increases In Aphid Populations On Potato Plants Sprayed With Zinc Arsenite In Western Nebraska, Roscoe E. Hill, H. Douglas Tate

Department of Entomology: Faculty Publications

During the 1941 growing season, field observations in western Nebraska indicated that aphids, Myzus persicae (Sulz.), were becoming abundant in experimental potato plots that had been treated with zinc arsenite-lime sulfur spray for controlling potato flea beetles, Epitrix cucumeris (Harr.), and the potato psyllid, Paratrioza cockerelli (Sulc.). Detailed examinations of leaves showed that significantly greater populations were present on the sprayed than on the untreated plants. Evidence of slight increases also was noted on plants dusted with a barium fluosilicate and sulfur mixture.

Nebraska Cattle Grub Survey, Lewis T. Graham, H. Douglas Tate

Department of Entomology: Faculty Publications

The scarcity of data on the actual extent of cattle grub infestation in Nebraska became evident during the winter of 1942--43 when a control program was being organized. Although there were some cattlemen who were acutely aware of the losses occasioned by this pest, there were many others who had given the problem little thought or who believed that infestation resulted largely from the importation of feeder cattle. More detailed information was obviously desirable in order to present an accurate and convincing account of the problem to the cattle growers.

The Occurence Of The Potato Tuber Worm In Nebraska, H. Douglas Tate

Department of Entomology: Faculty Publications

A sample of potatoes showing tuber worm injury was submitted to the Entomology Department by a farmer of Elmwood (Cass County), Nebraska in September 1939. A few days later the farm was visited and a bin of about 125 bushels of potatoes was found to be heavily infested with the potato tuber worm. In compliance with instructions, the grower either used or destroyed the entire crop during the early part of the ensuing winter. Potato fields in the same vicinity were examined the following year, but no specimens or evidence of injury by this pest could be found. Apparently, this …

Life History And Habits Of The Potato Flea Beetle In Western Nebraska, Roscoe E. Hill, H. Douglas Tate

Department of Entomology: Faculty Publications

In the potato-growing section of the North Platte Valley of western Nebraska, the difficulty of producing high quality potatoes frequently is greatly increased by the presence of destructive populations of the potato flea beetle Epitrix cucumeris Harris. Csually foliage injury by the adults is comparatively unimportant, but larval injury to tubers often greatly reduces the quality of the crop. Since prevention of tuber injury by the larvae has extended downward from the sides of the cages. Unless food was available in the form of plant growth within the cages, either green potato foliage or cut tubers were supplied as long …

The Relation Of Temperature To The Embryonic And Nymphal Development Of The Differential Grasshopper Melanoplus Differentialis Thomas, Myron H. Swenk, Charles H. Bratt

Nebraska Agricultural Experiment Station: Historical Research Bulletins

Temperature plays the major role in the regulation of the rate of embryonic development of the differential grasshopper (Melanoplus differentialis Thomas).

Control Of The Chinch Bug In Nebraska, M. H. Swenk, H. D. Tate

Nebraska Agricultural Experiment Station: Historical Circulars

The chinch bug, Blissus leucopterus (Say), is one of the most injurious insect pests of cereal crops in the United States. Although some damage by it has occurred over a wide area in the United States, the greatest injury has been in the Corn Belt. The years in which the chinch bug appears in destructive abundance come irregularly in cycles of varying duration, and the length of these cycles is largely controlled by the direct or indirect effects of weather upon the bugs. Continued dry weather favors them, while very wet weather brings about their destruction. During the last seven …

A New Fossil Bovid From Nebraska With Notice Of A New Bison Quarry In Texas, C. Bertrand Schultz

Bulletin of the University of Nebraska State Museum (1924–2023)

An interesting and unique bovid skull was reported to the staff of the University of Nebraska State Museum in 1938 by Mr. Alvin McReynolds of Nehawka, Nebraska. The specimen was found in 1933 in a ravine north of Nehawka by Messrs. Merritt and Harold Dodson, brothers. Although the skull was not in place, it appears to have been washed out of a nearby Pleistocene clay deposit by floodwaters. The specimen is well preserved and is of a dark brown, almost black color. In 1938 it was loaned to the Museum for study and photographing but was not obtained as a …

The Ancestral Ursid, Hemicyon, In Nebraska, Edwin H. Colbert

Bulletin of the University of Nebraska State Museum (1924–2023)

During the summer of 1928, a University of Nebraska State Museum field party, composed of Dr. A. L. Lugn and the writer, made a collection of upper Miocene and lower Pliocene mammals in Brown and Cherry counties, Nebraska. This collection was sponsored and made possible by the generosity of the late Hon. Charles H. Morrill.

A Shovel-Tusked Mastodon, Arnebelodon Fricki, From Kansas, Erwin Hinckley Barbour, Claude W. Hibbard

Bulletin of the University of Nebraska State Museum (1924–2023)

Since the Amebelodontinae were first announced (Barbour 1927), a number of examples of the genus Amebelodon have presented themselves in various parts of Nebraska, Colorado, and in several places in Kansas. Thus its range has already been materially extended, many skeletal parts added, and the hope kindled that knowledge of this remarkable group of proboscideans is destined to be greatly enriched within the next few years. As may be seen in the accompanying lists of the known parts of Amebelodon preserved in various museums, there are already at hand the bones necessary for the assemblage of a nearly complete composite …

A New Species Of Sphenophalos From The Upper Ogallala Of Nebraska, Erwin Hinckley Barbour, C. Bertrand Schultz

Bulletin of the University of Nebraska State Museum (1924–2023)

The genus Sphenophalos was described by John C. Merriam (1909, p. 319-30), who based his description on a fragmentary horn-core (Uni. of Calif. No. 11887) from the late Tertiary deposits near Thousand Creek in northern Humbolt county, Nevada. Knowledge of Sphenophalos, however, is still confined to this single, fragmented type horn-core (Frick 1937, p. 472) and other fragmental specimens (Furlong 1932, p. 27-36).

The Pipy Concretions Of The Arikaree, C. Bertrand Schultz

Bulletin of the University of Nebraska State Museum (1924–2023)

The pipy concretions of the Arikaree (lower Miocene) of Nebraska and adjacent states were first described by Nelson Horatio Darton (1899, p. 743) as "characteristic layers of hard, fine-grained, dark-gray concretions, often consisting of aggregations of long, irregular, cylindrical masses" (see Figures 30, 32, 34, and 35). The individual pipes vary in diameter from a few inches to several feet, and in length from a few inches to a hundred yards or more. Tests demonstrate that pipy concretions are composed of sand cemented by calcium carbonate. When dipped in acid the cement is dissolved and the concretion is reduced to …

Control Of Stored Grain Pests In Nebraska, M. H. Swenk, D. B. Whelan

Nebraska Agricultural Experiment Station: Historical Circulars

At the close of 1939 about twice the amount of wheat was in storage in Nebraska as compared to the close of 1938. Frequently a new crop of grain goes into storage before the preceding older grain leaves the farm, and, due to inadequate storage space, the crops are not kept separated, thus promoting an early infestation of the new grain from the older grain that has become infested. Under such conditions the damage by stored grain pests becomes a matter of unusual importance.