Browsing by Author "Gilstrap, Frank E."
Now showing items 1-15 of 15
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Berger, Lori Ann (Texas A&M University. Libraries, 1987)Field studies were conducted on the solitary ground nesting bee species, Agapostemon angelicus Cockerell (Hymenoptera: Halictidae), a pollinator of potential value in hybrid cotton production programs on the Texas High ...
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Summy, Kenneth Rodney (Texas A&M University. Libraries, 1982)Studies of citrus blackfly (CBF), Aleurocanthus woglumi Ashby, in the Lower Rio Grande Valley of Texas (1977-82) indicated a widespread current distribution of the exotic parasite Encarsia opulenta Silvestri, established ...
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Pickett, C. H. (Texas A&M University. Libraries, 1985)Field studies were conducted on the Banks grass mite (BGM), Oligonychus pratensis (Banks), infesting commercial field corn in the Texas High Plains. The population dynamics and spatial distribution of BGM and its associated ...
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Overholt, William Allan (Texas A&M University. Libraries, 1989)Six exotic Hymemoptera parasite species were evaluated for parasitization of the southwestern corn border (SWCB), diatraea grandiosella Dyar (Lepidoptera: Pyralidae). Studies were conducted in the laboratory and in commercial ...
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Gilstrap, Frank E.; Hoelscher, Clifford E. (Texas Agricultural Extension Service, 1977)
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Kring, T. J. (Texas A&M University. Libraries, 1984)The efficacy of greenbug, Schizaphis graminum (Rondani), natural enemies was determined in grain sorghum using mechanical exclusion techniques and paired comparison experimental approaches. Indirect methods of evaluation ...
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Youm, Ousmane (Texas A&M University. Libraries, 1990)Studies conducted from 1986 through 1988 on the millet stalk borer (MSB), Haimbachia ignefusalis (Lepidoptera: Pyralidae) included investigations on its host plants, natural enemies, oviposition behavior, effects on crop ...
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Tillman, Patricia Glynn (Texas A&M University. Libraries, 1985)Alternate hosts of Bracon mellitor Say were located in native vegetation in College Station and New Clarkson, TX. Six new hosts, Acontia cretata (Grote & Robinson), Phalonia sp. (A), Phalonia sp. (B), Anthonomus heterothecae ...
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Elzen, Gary Wayne (Texas A&M University. Libraries, 1983)The parasitoid Campoletis sonorensis (Cameron) was used in studies to determine the influence of plants (the potential host habitat) on parasitoid searching behavior. Inferences regarding general host habitat location by ...
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Nuessly, Gregg Stephen (Texas A&M University. Libraries, 1986)Predation rates of Heliothis zea (Boddie) (Lepidoptera: Noctuidae) eggs located on cotton plants were determined by placing ³²P labelled H. Zea eggs on different plant structures throughout the plants. Egg predation averaged ...
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Chandler, L. D. (Texas A&M University. Libraries, 1986)The spatial distribution of Liriomyza trifolii (Burgess) and its associated hymenopterous parasite complex was determined in field grown bell peppers at Weslaco, TX. L. trifolii larvae were most numerous during the first ...
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Bumroongsook, Suvarin (Texas A&M University. Libraries, 1986)Field studies were conducted at College Station, Texas in 1984-1986 to examine the population biology of the yellow pecan aphid complex. Populations of blackmargined aphids (M. caryella) were highly variable among pecan ...
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Gilreath, Mary Elizabeth (Texas A&M University. Libraries, 1985)Field and laboratory studies were conducted to investigate the biology, ecology, and population dynamics of the native cochineal insect Dactylopius confusus (Cockerell) (Homoptera: Dactylopiidae) and the insect's potential ...
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Liao, Huey-Tarn (Texas A&M University. Libraries, 1984)Field studies were conducted at College Station, Texas in 1982 and 1983 to examine population dynamics of 3 species of pecan aphids. The results indicate that pecan, Carya illinoensis (Wangenheim) K. Koch supports higher ...
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Rajakulendran, Sinnappu Victor (Texas A&M University. Libraries, 1986)Surveys for parasitoids of cotton fleahopper (CFH) Pseudatomoscelis seriatus (Reuter), were conducted on three wild host plants; Monarda punctata L., Croton capitatus Michx., and Oenothera speciosa Nutt. There were no ...