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Grasshoppers of Wyoming and the West




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Alexander, G. 1941. Keys for the identification of Colorado Orthoptera. Univ. of Colo. Studies, Series D. 1:129-164.

Alexander, G. and J. R. Hilliard, Jr. 1964. Life History of Aeropedellus clavatus (Orthoptera:Acrididae) in the alpine tundra of Colorado. Ann. Entomol. Soc. Amer. 57:310-317.

Alexander, G. and J. R. Hilliard, Jr. 1 969. Altitudinal and seasonal distribution of Orthoptera in the Rocky Mountains of northern Colorado. Ecol. Monog. 39:385-431.

Anderson, N. L. 1964. Some relationships between grasshoppers and vegetation. Ann. Entomol. Soc. Amer. 57:736-742.

Anderson, N. L. and J. C. Wright. 1952. Grasshopper investigations on Montana rangelands, Mont. State Coll. Agr. Exp. Sta. Bull. 486:1-46.

Anderson, N. L. and E. Hastings. 1966. Some notes on rearing Aulocara elliotti (Orthoptera: Acrididae). Ann. Entomol. Soc. Amer. 59:718-719.

Anderson, R. V., C. R. Tracey and Z. Abramsky. 1979. Habitat selection in two species of short-horned grasshoppers. Oecologia (Berl.) 38:359-374.

Bailey, C. G. and P. W. Riegert. 1971. Food preferences of the dusky grasshopper, Encoptolophus sordidus costalis (Scudder) (Orthoptera: Acrididae). Can. J. Zool. 49:1271-1274.

Ball, E. D. 1936. Food plants of some Arizona grasshoppers. J. Econ. Entomol. 29:679-684.

Ball, E. D., E. R. Tinkham, R. Flock and C. T. Vorhies. 1942. The grasshoppers and other Orthoptera of Arizona. Ariz. Agr. Exp. Sta. Tech. Bull. 93:255-373.

Bantill, J. C. and M. A. Brusven. 1973. Food habits and ecology of grasshoppers in the Seven Devils Mountains and Salmon River Breaks of Idaho. Melanderia 12:1-21.

Barnes, 0. L. 1960. Observations on the desert grasshopper, Trimerotropis pallidipennis pailidipennis in Arizona. J. Econ. Entomol. 53:721-724.

Barnes, 0. L. 1963. Observations on the life history of the desert grasshopper (Trimerotropis pailidipennis pallidipennis) in laboratory and insectary cages. J. Econ. Entomol. 56:525-528.

Beamer, R. 1917. Grasshoppers of Kansas: Part 11. The Oedipodinae of Kansas. Bull. Univ. Kan. Bio. Ser. 18:51-126.

Bhatnager, K. N. and R. E. Pfadt. 1973. Growth, density and biomass of grasshoppers in the shortgrass and mixed-grass associations. USIBP, Grasslands Biome Tech. Rep. 225:1-120.

Blatchley, W. S. 1920. Orthoptera of Northeastern America. The Nature Publishing Co., Indianapolis, Ind. 784 pp.

Blickenstaff, C. C., F. E. Skoog and R. J. Daum. 1974. Long term control of grasshoppers. J. Econ. Entomol. 67:268-274.

Brett, C. H. 1947. Interrelated effects of food, temperature and humidity on the development of the lesser migratory grasshopper, Melanoplus mexicanus Mexican (Saussure)(Orthoptera). Okla. Agr. Exp. Sta. Bull. T-26. 49 pp.

Brooks, A. R. 1958. Acridoidea of southern Alberta, Saskatchewan and Manitoba (Orthoptera). Suppi. 9. Can. Entomol. 90:1-92.

Bruner, L. 1894. Orthoptera. Annu. Rep. Entomol., Neb. State Bd. Agr., 1893:303-317.

Bruner, L. 1897. The grasshoppers that occur in Nebraska. Annu. Rep. Entomol., Neb. State Bd. Agr., 1896, 105-138.

Brusven, M. A. 1967. Differentiation, ecology and distribution of immature slant faced grasshoppers (Acridinae) in Kansas. Kan. Agr. Exp. Sta. Tech. Bull. 149:1-59.

Brusven, M. A. 1972. Differentiation and ecology of common Catantopinae and Cyrtacanthacridinae nymphs (Orthoptera:Acrididae) of Idaho and adjacent areas. Melanderia 9:1-31.

Campbell, J. B., W. H. Arnett, J. D. Lambley, 0. K. Jantz and H. Knutson. 1974. Grasshoppers (Acrididae) of the Flint Hills native tallgrass prairie in Kansas. Res. Pap. Agr. Exp. Sta. Kan. St. Univ. Manhattan 19:1-147.

Cantrall, 1. J. 1943. The ecology of the Orthoptera and Dermaptera of the George Reserve, Michigan. Mus. Zool. Univ. Mich., Misc. Pub. 54:1-182.

Carothers, E. E. 1924. Notes on the taxonomy, development and life history of certain Acrididae (Orthoptera). Trans. Amer. Entomol. Soc. 49:7-24.

Caudell, A. N. 1903. Noteson Orthopterafrom Colorado, New Mexico, Arizona and Texas, with descriptions of new species. Proc. U.S. Nat. Mus. 26:775-809.

Claassen, P. W. 1915. The Grasshoppers of Kansas: Part 1; The Melanopli of Kansas. Bull. Univ. Kan. Biol. Ser. 18:5-50.

Coppock, S., Jr. 1962. The grasshoppers of Oklahoma (Orthoptera:Acrididae). Okla. Agr. Exp. Sta. Processed Series P-399:1-143.

Corkins, C. L. 1921. Grasshopper control. Colo. Agr. Coll. Ext. Bull. 180-A:1-16.

Corkins, C. L. 1923a. Grasshopper control in Colorado. Colo. Agr. Exp. Sta. Bull. 287:1-19.

Corkins, C. L. 1923b. Mormon cricket control. Colo. Agr. Exp. Sta. Cir. 40:1-20.

Cowan, F. T. 1934. How to control grasshoppers. Colo. Agr. Coll. Cir. 59:1-16.

Criddle, N. 1918. The egg-laying habits of some of the Acrididae (Orthoptera). Can. Entomol. 50:145-151.

Criddle, N. 1925. Field crickets in Manitoba. Can. Entomol. 57:79-84.

Criddle, N. 1933a. Studies in the biology of North American Acrididae: development and habits. World's Grain Exhib. Conf., Proc. 2:474-494.

Criddle, N. 1933b. Notes on the habits of injurious grasshoppers in Manitoba. Can. Entomol. 65:97-102.

Dirsh, V. M. 1974. Genus Schistocerca (Acridomorpha, Insecta). Dr. W. Junk B.V., Pub., The Hague. 238 pp.

Drake, C. J., G. C. Decker and 0. E. Tauber. 1945. Observation on oviposition and adult survival of some grasshoppers of economic importance. Iowa State Coll. J. of Sci. 19:207-223.

Eddy, J. A. 1977. Historical evidence for the existence of the solar cycle, Pages 51-71, in: The Solor Output and Its Variation, Q. R. White (ed.). Colorado Assoc. Univ. Press, Boulder.

Ferkovich, S. M. 1965. Mating habits of the big-headed grasshopper, Aulocara elliotti (Thomas). Unpublished M.S. Thesis, Colo. State Univ., Fort Collins, Colo. 113 pp.

Froeschner, R. C. 1954. The grasshoppers and other Orthoptera of Iowa. Iowa St. Coll. J. Sci. 29:163-354.

Fry, B., A. Joern and P. L. Parker. 1978. Grasshopper food web analysis: use of carbon isotope ratios to examine feeding relationships among terrestrial herbivores. Ecology 59:498-506.

Gangwere, S. K. 1961. A monograph on food selection in Orthoptera. Trans. Amer. Entomol. Soc. 87:67-230.

Gillette, C. P. 1904. Anotated list of Colorado Orthoptera. Colo. Agr. Exp. Sta. Bull. 94:17-67.

Handford, R. H. 1946. The identification of nymphs of the genus Melanoplus of Manitoba and adjacent areas. Sci. Agr. 26:147-178.

Hantsbarger, W. M. 1979. Grasshoppers in Colorado. Colo. St. Univ. Ext. Serv. Bull. 502A:1-30.

Hart, C. A. 1906. Descriptive synopsis of insect collections. Part 2. Orthoptera. 111. State Lab. Nat. Hist. 25 pp.

Hastings, E. and J. H. Pepper. 1964. Population studies on the big-headed grasshopper, Aulocara elliotti. Ann. Entomol. Soc. Amer. 57:216-220.

Hebard, M. 1925. The Orthoptera of South Dakota. Proc. Nat. Acad. Sci. Phil. 77:33-155.

Hebard, M. 1928. The Orthoptera of Montana. Proc. Nat. Acad. Sci, Phil. 80:211-306.

Hebard, M. 1929. The Orthoptera of Colorado. Proc. Nat. Acad. Sci. Phil. 81:303-425.

Helfer, J. R. 1972. The Grasshoppers, Cockroaches and Their Allies, Second ed. Wm. C. Brown Co. Pub., Dubuque, Iowa. 359 pp.

Henry, J. E., E. A. Oma, J. A. Onsager and S. W. Oidacre. 1979. Infection of the corn earworm, Heliothis zea, with Nosema acridophagus and Nosema cuneatum from grasshoppers: relative virulence and production of spores. J. Invertebr. Pathol. 34:125-132.

Hewitt, G. B. 1977. Review of forage losses caused by rangeland grasshoppers. USDA Misc. Pub. 1348, 1-24.

Hewitt, G. B. 1979. Hatching and development of rangeland grasshoppers in relation to forage growth, temperature, and precipitation. Environ. Entomol. 8:24-29.

Hewitt, G. B. and W. F. Barr. 1967. The banded-wing grasshoppers of Idaho (Orthoptera:Oedipodinae). Res. Bull. Idaho. Agr. Exp. Sta. 72:1-64.

Hewitt, G. B., W. H. Burleson and J. A. Onsager. 1976. Forage losses caused by the grasshopper Aulocara elliotti on shortgrass rangeland. J. Range Mgmt. 29:376-380.

Hinkle, G. A. 1938. The relation of grasshoppers (with special emphasis on Dissosteira longipennis Thomas) to the native ranges of Colorado. Unpubl. M.S. Thesis, Colo. St. Univ., Fort Collins, Colo. 108 pp.

Hubbel, T. H. 1922a. Notes on the Orthoptera of North Dakota. Occ. Pap. Mus. Zool., Univ. Mich. 113:1-56.

Hubbel, T. H. 1922b. The Dermaptera and Orthoptera of Berrien County, Michigan. Occ. Pap. Mus. Zool., Univ. Mich. 1 1 6:1-77.

Isely, F. B. 1937. Northeastern Texas acridians. Ecol. Monog. 7:318-344.

Isely, F. B. 1938. The relations of Texas Acrididae to plants and soils. Ecol. Monog. 8:551-604.

Isely, F. B. 1944. Correlation between mandibular morphology and food specificity in grasshoppers. Ann. Entomol. Soc. Amer. 37:47-67.

Joern, A. 1979a. Feeding patterns in grasshoppers (Orthoptera:Acrididae): factors influencing diet specialization. Oecologia 38:325-347.

Joern, A. 1979b. Resource utilization and community structure in assemblages of arid grassland grasshoppers (Orthoptera:Acrididae). Trans. Amer. Entomol. Soc. 105:253-300.

Knutson, H. 1940. A key to the Acrididae (Orthoptera) of Northeastern Texas with ecological notes. Field and Lab. 8:33-58.

Kumar, R., R. Lavigne, J. Lloyd and R. Pfadt. 1976. Insects of the Central Plains Experiment Range, Pawnee National Grassland. Wyo. Agr. Exp. Sta. Sci. Monog. 32:1-74.

Langford, G. A. 1930. Some factors relating to the feeding habits of grasshoppers. Colo. Agr. Exp. Sta. Bull. 354:1-53.

La Rivers, 1. 1948. A synopsis of Nevada Orthoptera. Amer. Midi. Nat. 39:652-720.

Lavigne, R. J. and R. E. Pfadt. 1966. Parasites and predators of Wyoming rangeland grasshoppers. Univ. Wyoming Science Mono. 3. 31 pp.

MacLeod, D. M., D. Tyrrell and M. A. Welton. 1980. Isolation and growth of the grasshopper pathogen, Entomophthora grylli. J. Invertebr. Pathol. 36:85-89.

Mattson, W. J. 1980. Herbivory in relation to plant nitrogen content. Annu. Rev. Ecol. Syst. 1 1:1 19-61.

McDonald, S. 1967. Oral toxicity of 23 insecticides to grasshoppers in the laboratory and the influence of species, pretreatment, and geographical distribution. J. Econ. Entomol. 60:844-849.

McEwen, L. C., C. E. Knittle and M. L. Richmond. 1972. Wildlife effects from grasshopper insecticides sprayed on short-grass range. J. Range Mgmt. 25:188-194.

McNeill, J. 1897. Revision of the Truxalinae of North America. Proc. Davenport Acad. Nat. Sci. 6:179-274.

Mitchell, J. M., C. W. Stockton and D. M. Meko. 1979. Evidence of a 22-year rhythm of drought in the western United States related to the Hale Solar Cycle since the 17th century, Pages 125-143, in: Solar-Terrestrial Influences on Weather and Climate, B. M. McCormac and T. A. Seliga (eds.). Reidel Pub. Co., Holland.

Mukerji, M. K. and S. H. Gage. 1978. A model for estimating hatch and mortality of grasshopper egg populations based on soil moisture and heat. Ann. Entomol. Soc. Amer. 71:183-190.

Mukerji, M. K., A. B. Ewen, C. H. Craig and R. J. Ford. 1981. Evaluation of insecticide-treated bran baits for grasshopper control in Saskatchewan (Orthoptera:Acrididae). Can. Entomol. 113:705-710.

Mulkern, G. B., P. R. Toczek and M. A. Brusven. 1964. Biology and ecology of North Dakota grasshoppers. 11. Food habits and preference of grasshoppers associated with the Sand Hills prairie. Res. Rep. No. Dak. Agr. Exp. Sta. 1 1: 1 -59.

Mulkern, G. B., K. P. Pruess, H. Knutson, A. F. Hagen, J. B. Campbell and J. D. Lambley. 1969. Food habits and preferences of grassland grasshoppers of the north central Great Plains. No. Dak. Agr. Exp. Sta. Bull. 481:1-32.

Mussgnug, G. L. and J. E. Henry. 1979. Compatibility of malathion and Nosema locustae Canning in Melanoplus sanguinipes (F.). Acrida 8:77-81.

Nerney, N. J. 1960. Grasshopper damage on short-grass rangeland of the San Carlos Apache Indian Reservation, Arizona. J. Econ. Entomol, 53:640-646.

Newton, R. C., C. 0. Esselbaugh, G. T. York and H. W. Prescott. 1954. Seasonal development of range grasshoppers as related to control. USDA Agr. Res. Serv. Bur. Entomol. Plant Quarant. E-873.

Newton, R. C. and A. B. Gurney. 1956, 1957. Distribution maps of range grasshoppers in the United States. Coop. Econ. Insect Rep. 6 and 7.

Onsager, J. A. 1963. Characteristics of eggs and egg-pods of North Dakota Acrididae and studies of sites selected for oviposition. Unpubl. Ph.D. Thesis, No. Dak. State Univ., Fargo, No. Dak. 118 pp.

Onsager, J. A. 1978. Efficacy of carbaryl applied to different life stages of rangeland grasshoppers. J. Econ. Entomol. 71:269-273.

Onsager, J. A. and G. B. Mulkern. 1963. Identification of eggs and egg pods of North Dakota grasshoppers. (Orthoptera:Acrididae). No. Dak. Agr. Expt. Sta. Bull. 446:1-48.

Onsager, J. A., J. E. Henry and R. N. Foster. 1980a. A model for predicting efficacy of carbaryl bait for control of rangeland grasshoppers. J. Econ. Entomol. 73:726-729.

Onsager, J. A., J. E. Henry, R. N. Foster and R. T. Staten. 1980b. Acceptance of wheat bran bait by species of rangeland grasshoppers. J. Econ. Entomol. 73:548-551.

Onsager, J. A., N. E. Rees, J. E. Henry and R. N. Foster. 1981. Integration of bait formulations of Nosema locustae and carbaryl for control of rangeland grasshoppers. J. Econ. Entomol. 74:183-187.

Osborn, H. 1939. Meadow and Pasture Insects. The Educator's Press, Columbus, Ohio. 288 pp.

Otte, D. 1979. Revision of the Grasshopper Tribe Orphuiellini (Gomphocerinae:Acrididae). Proc. Acad. Nat. Sci. Phil. 131:52-85.

Otte, D. 1981. The North American Grasshoppers. Vol. 1, Acrididae:Gomphocerinae and Acridinae. Harvard Univ. Press. 275 pp. 

Parker, J. R. 1924. Observations on the clear winged grasshopper (Camnula pellucida Scudder). Univ. Minn. Agr. Exp. Sta. Bull. 214:1-44.

Parker, J. R. 1952. Grasshoppers. Pages 595-605, in: Insects. The Yearbook of Agriculture. USDA, Wash. D.C.

Parker, J. R., R. C. Newton and R. L. Shotwell. 1955. Observations on mass flights and other activities of the migratory grasshopper. USDA Tech. Bull. 1109. 46 pp.

Pfadt, R. E. 1949a. Food plants, distribution and abundance of the big-headed grasshopper, Aulocara elliotti (Thos). J. Kan. Entomol. Soc. 22:69-74.

Pfadt, R. E. 1949b. Food plants as factors in the ecology of the lesser migratory grasshopper, Melanoplus mexicanus (Saussure). Univ. Wyo. Agr. Exp. Sta. Bull. 290:1-48.

Pfadt, R. E. 1965. Key to the Wyoming grasshoppers; Acrididae and Tetrigidae. Univ. Wyo. Agr. Exp. Sta. Mimeo. Circ. 210.

Pfadt, R. E. 1972. Orthoptera of the Pawnee site. USIBP Grassland Biome Tech. Rep. 176:1-49.

Pfadt, R. E. 1977. Some aspects of the ecology of grasshopper populations inhabiting the shortgrass plains. Pages 73-79, in: Insect Ecology, Univ. Minn. Agr. Exp. Sta. Tech. Bull. 310.

Pfadt, R. E. and D. S. Smith. 1972. Net reproductive rate and capacity for increase of the migratory grasshopper, Melanoplus sanguinipes sanguinipes (F.). Acrida 1:149-165.

Pickford, R. 1953. A two-year life-cycle in grasshoppers (Orthoptera:Acrididae) overwintering as eggs and nymphs. Can. Entomol. 85:9-14.

Pickford, R. and P. W. Reigert. 1964. The fungus disease caused by Entomophthora grylli Fres., and its effects on grasshopper populations in Saskatchewan in 1963. Can. Entomol. 96:1158-1166.

Putnam, L. G. 1962. The damage potential of some grasshoppers (Orthoptera:Acrididae) of the native grasslands of British Columbia. Can. J. Plant Sci. 42:596-601.

Ramsay, G. W. 1964. Moult number in Orthoptera (Insecta). N. Z. J. Sci. 7:644-666.

Rees, N. E. 1973. Arthropod and nematode parasites, parasitoids, and predators of Acrididae in America north of Mexico. USDA, ARS, Tech. Bull. 1460. 288 pp.

Roemhild, G. 1968. Cationic effects and levels in developing eggs of the grasshopper Aulocara elliotti. J. Insect Physiol. 14:1035-1043.

Rottman, R. 1980. Insect and plant community response to white grub damage. Unpubl. M.S. Thesis, Colo. State Univ., Fort Collins, Colo. 116 pp.

Scharff, D. 1954. The role of food plants and weather in the ecology of Melanoplus mexicanus mexicanus (Saussure). J. Econ. Entomol. 47:485-489.

Scoggan, A. C. and M. A. Brusven. 1972. Differentiation and ecology of common immature Gomphocerinae and Oedipodinae (Orthoptera:Acrididae) of Idaho and adjacent areas. Melanderia 8:1-76.

Scudder, S. H. 1876. List of the Orthoptera collected by Dr. A. S. Packard in Colorado and the neighboring territories during the summer of 1875. Bull. USGS Terr. 2, 261-267.

Scudder, S. H. 1897. Revision of Melanopli. Proc. U.S. Nat. Mus. 20:1-421.

Scudder, S. H. 1900. The species of the Orthoptera genus Derotmema. Proc. Am. Acad. Arts Sci. 35:387-395.

Shotwell, R. L. 1930. A study of the lesser migratory grasshopper. USDA Tech. Bull. 190:1-34.

Shotwell, R. L. 1941. Life histories and habits of some grasshoppers of economic importance on the Great Plains. USDA Tech. Bull. 774:1-48.

Smith, D. S. 1960. Effects of changing the phosphorus content of the food plant on the migratory grasshopper, Melanoplus bilituratus (Walker) (Orthoptera:Acrididae). Can. Entomol. 92:103-107.

Smith, D. S. and F. E. Northcott. 1951. The effects on the grasshopper Melanoplus mexicanus mexicanus (Sauss.) (Orthoptera:Acrididae), of varying the nitrogen content in its food plant. Can. J. Zool. 29:297-304.

Smith, R. C. 1954. An analysis of 100 years of grasshopper populations in Kansas (1854 to 1954). Trans. Kan. Acad. Sci. 57:397-433.

Somes, M. P. 1914. The Acrididae of Minnesota. Univ. Minn. Agr. Exp. Sta. Bull. 141:1-100.

Strohecker, H. F., Middlekauff, W. W. and D. C. Rentz. 1968. The grasshoppers of California (Orthoptera:Acrididae). Bull. Calif. Insect Surv. 10:1-77.

Sullivan, R. I., J. D. Thurman and G. Tween. 1981. Handbook for cooperative grasshopper and range caterpillar control program. Colorado Department of Agriculture, Division of Plant Industry. 54 pp.

Swan, L. A. and C. S. Papp. 1972. The Common Insects of North America. Harper and Row, San Francisco. 750 pp. 

Thomas, C. 1871. Notes on the saltatorial Orthoptera of the Rocky Mountain regions. Annu. Rep. USGS Terr. 423-466.

Thomas, C. 1873. A synopsis of the Acrididae of North America. Dept. of the Interior. USGS of the territories. 262 pp.

Tinkham, E. R. 1948. Faunistic and ecological studies on the Orthoptera of the Big Bend region of Trans-Pecos Texas, with especial reference to the Orthopteran zones and faunae of Midwestern North America. Amer. Midl. Nat. 40:521-663.

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Tuck, J. B. and R. C. Smith. 1939. Identification of the eggs of Midwestern grasshoppers by chorionic sculpturing. Kan. State Agr. Exp. Sta. Bull. 48:1-39.

Turnock, W. J. 1977. Adaptibility and stability of insect pest populations in prairie agricultural ecosystems. Pages 89-1 01, in: Insect Ecology, Univ. Minn. Agr. Exp. Sta. Tech. Bull. 310.

Tyrkus, M. 1971. The feasibility of use of caecal and diverticular coloration in field determination of grasshopper diet. Mich. Entomol. 4:14-22.

Ueckert, D. N. 1968. Diets of some grasshoppers common on mountain herbland in Northern Colorado. Unpubl. M.S. Thesis, Colo. State Univ., Fort Collins, Colo. 42 pp.

Ueckert, D. N. 1969. Grasshopper diets in eastern Colorado. Unpubl. M.S. Thesis, Colo. State Univ., Fort Collins, Colo. 84 pp.

Ueckert, D. N. and R. M. Hansen. 1971. Dietary overlap of grasshoppers on sandhill rangeland in northeastern Colorado. Oecologia 8:276-295.

USDA. undated. Grasshopper survey, a species field guide. USDA, APHIS, PPO. 49 pp.

Uvarov, B. P. 1928. Locusts and Grasshoppers. A handbook for their study and control. Cambridge Univ. Press, London. 352 pp.

Uvarov, B. P. 1966. Grasshoppers and Locusts. A handbook of general Acridology. Vol. 1. Cambridge Univ. Press, London. 481 PP.

Uvarov, B. P. 1977. Grasshoppers and Locusts. A handbook of general Acridology. Vol. 2. Centre for Overseas Pest Research, London. 613 pp.

Van Horn, D. H. 1972. Grasshopper population numbers and biomass dynamics on the Pawnee site from fall of 1968 through 1970. USIBP Grassland Biome Tech. Rep. 148:1-70.

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Visscher, S. N., R. Lund and W. Whitmore. 1979. Host plant growth temperatures and insect rearing temperatures influence reproduction and longevity in the grasshopper, Aulocara elliotti (Orthoptera:Acrididae). Environ. Entomol. 8:253-258.

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Wakeland, C. and J. R. Parker. 1952. The mormon cricket. Pages 605-608 in: Insects. The Yearbook of Agriculture. USDA, Wash. D.C.

White, E. G. 1974. Grazing pressure of grasshoppers in an alpine tussock grassland. N. Z. J. Agric. Res. 17:357-372.

White, R. M. and P. J. G. Rock. 1945. A contribution to the knowledge of the Acrididae of Alberta. Sci Agr. 25:577-596.

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Scott Schell

Room #9, Agriculture Bldg.

Phone: (307) 766-2508


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