Search Results - "Howard, Ralph W."

Ecological, behavioral, and biochemical aspects of insect hydrocarbons by Howard, R.W, Blomquist, G.J

“…This review covers selected literature from 1982 to the present on some of the ecological, behavioral, and biochemical aspects of hydrocarbon use by insects…”
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Cuticular hydrocarbons of Drosophila birchii and D. serrata: Identification and role in mate choice in D. serrata by HOWARD, Ralph W, JACKSON, Larry L, BANSE, Heidi, BLOWS, Mark W

“…The cuticular hydrocarbon compositions of two sympatric species of Australian Drosophila in the montium subgroup of the melanogaster group that use cuticular…”
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Cuticular lipids of the booklouse, Liposcelis bostrychophila: Hydrocarbons, aldehydes, fatty acids, and fatty acid amides by HOWARD, Ralph W, LORD, Jeffrey C

“…The booklouse, Liposcelis bostrychophila, is an increasingly common pest of stored food products worldwide. We report here the cuticular lipid composition of…”
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Morphology and chemistry of Dufour glands in four ectoparasitoids: Cephalonomia tarsalis, C. waterstoni (Hymenoptera: Bethylidae), Anisopteromalus calandrae, and Pteromalus cerealellae (Hymenoptera: Pteromalidae) by Howard, Ralph W., Baker, James E.

“…The venom apparatus of four hymenopterous parasitoids, including two bethylids, C. tarsalis (Ashmead) and C. waterstoni (Gahan), and two pteromalids, A…”
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Stage-specific surface chemicals of Plodia interpunctella: 2-acyl-1,3-cyclohexanediones from larval mandibular glands serve as cuticular lipids by Howard, Ralph W., Baker, James E.

“…Cuticular lipid compositions of all life stages of the stored product moth Plodia interpunctella have been determined. Eggs and adults of P. interpunctella…”
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Cuticular hydrocarbons and wax esters of the ectoparasitoid Habrobracon hebetor: ontogenetic, reproductive, and nutritional effects by Howard, R.W, Baker, J.E

“…Hydrocarbon and wax ester components of cuticular lipids of the braconid parasitoid Habrobracon hebetor Say reared at 25°C on larvae of a pyralid moth have…”
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Diatomaceous Earth Increases the Efficacy of Beauveria bassiana Against Tribolium castaneum Larvae and Increases Conidia Attachment by Akbar, Waseem, Lord, Jeffrey C., Nechols, James R., Howard, Ralph W.

“…This research tested the suppressive ability of Beauveria bassiana (Balsamo) Vuillemin alone and in combination with diatomaceous earth against the red flour…”
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A proposed role for the cuticular fatty amides of Liposcelis bostrychophila (Psocoptera: Liposcelidae) in preventing adhesion of entomopathogenic fungi with dry-conidia by Lord, Jeffrey C, Howard, Ralph W

“…Maximum challenge exposure of Liposcelis bostrychophila to Beauveria bassiana, Paecilomyces fumosoroseus, Aspergillus parasiticus or Metarhizium anisopliae…”
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Cuticular Hydrocarbons of Adult Pteromalus cerealellae (Hymenoptera: Pteromalidae) and Two Larval Hosts, Angoumois Grain Moth (Lepidoptera: Gelechiidae) and Cowpea weevil (Coleptera: Bruchidae) by Howard, Ralph W

“…The pteromalid parasitoid Pteromalus cerealellae (Ashmead) is nominally a host-specific ectoparasitoid of the stored-product pest the Angoumois grain moth. It…”
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The Biology of Prostaglandins and Related Eicosanoids in Invertebrates: Cellular, Organismal and Ecological Actions by Stanley, David W., Howard, Ralph W.

“…Prostaglandins and related eicosanoids are oxygenated metabolites of C20 polyunsaturated fatty acids. These compounds have been detected in species…”
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Novel diterpenoids and hydrocarbons in the Dufour gland of the ectoparasitoid Habrobracon hebetor (Say) (Hymenoptera: Braconidae) by Howard, R.W, Baker, J.E, Morgan, E.D

“…Chemical constituents contained in the Dufour gland of the ectoparasitoid Habrobracon hebetor (Say) (Hymenoptera: Braconidae) were characterized. Three…”
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Chemical Mimicry as an Integrating Mechanism: Cuticular Hydrocarbons of a Termitophile and Its Host by Howard, Ralph W., McDaniel, C. A., Blomquist, Gary J.

“…The staphylinid beetle Trichopsenius frosti Seevers has the same cuticular hydrocarbons as those of its host termite Reticulitermes flavipes (Kollar) and it…”
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Cuticular hydrocarbons of the ectoparasitic wasp Cephalonomia hyalinipennis (Hymenoptera: Bethylidae) and its alternative host, the stored product pest Caulophilus oryzae (Coleoptera: Curculionidae) by Howard, Ralph W., Pérez-Lachaud, Gabriela

“…Cuticular hydrocarbons of an ectoparasitic wasp attacking two beetle hosts have been identified and examined for the influence of age, gender, mating status,…”
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Mating Behavior of Cephalonomia tarsalis (Ashmead) (Hymenoptera: Bethylidae) and the Effect of Female Mating Frequency on Offspring Production by Cheng, Ling-lan, Howard, Ralph W., Campbell, James F., Charlton, Ralph E., Nechols, James R., Ramaswamy, Sonny B.

“…The courtship behavior of Cephalonomia tarsalis, a solitary semiectoparasitoid of Oryzaephilus surinamensis, was investigated in the laboratory. Courtship…”
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Eicosanoids mediate nodulation reactions to bacterial infections in adults of the cricket, Gryllus assimilis by Miller, Jon S, Howard, Ralph W, Rana, Rico L, Tunaz, Hasan, Stanley, David W

“…Nodulation is the temporally and quantitatively most important cellular defense reaction to bacterial infections in insects. Inhibition of eicosanoid…”
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The influence of bacterial species and intensity of infections on nodule formation in insects by Howard, Ralph W, Miller, Jon S, Stanley, David W

“…Nodulation is the predominant cellular immune reaction to bacterial infection in insects. Nodulation is a complex process involving an unknown number of…”
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Behavioral interaction between males of Cephalonomia tarsalis (Ashmead) (Hymenoptera: Bethylidae) competing for females by CHENG, Ling-Lan, HOWARD, Ralph W, CAMPBELL, James F, CHARLTON, Ralph E, NECHOLS, James R, RAMASWAMY, Sonny

“…Male Cephalonomia tarsalis (Ashmead) compete with one another for mates. The behavioral interactions between males for mates occur both on and off females…”
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Chemical Ecology and Biochemistry of Insect Hydrocarbons by Howard, R W, Blomquist, G J

“…Hydrocarbons serve many functions in insects. They comprise a significant portion of the cuticular lipids that prevent desiccation and are important in…”
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Cuticular hydrocarbons of the eastern subterranean termite,Reticulitermes flavipes (Kollar) (Isoptera: Rhinotermitidae) by Howard, Ralph W., McDaniel, C. A., Blomquist, Gary J.

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Annulation of .alpha.-formyl .alpha.,.beta.-unsaturated ketones by a Michael addition-cyclization sequence. A versatile synthesis of alicyclic six-membered rings by Meyer, Walter L, Brannon, Michael J, Burgos, Celmira da G, Goodwin, Thomas E, Howard, Ralph W

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