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Abstract Callosobruchus maculatus is a bruchid beetle that develops in the seeds of 14 species of Leguminosae, but the cowpea Vigna unguiculata is its main host plant. The conditions of adaptationExpand
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Relationships among hormonal changes, cuticular hydrocarbons, and attractiveness during the first gonadotropic cycle of the female Calliphora vomitoria (Diptera).
Attractiveness in adult females of Calliphora vomitoria is correlated with ovarian development and there is a marked increase during the previtellogenic and vitellogenic periods. The development ofExpand
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Effects of allatectomy and ovariectomy on cuticular hydrocarbons in Calliphora vomitoria (diptera)
The relationships between female attractiveness, cuticular hydrocarbons, and levels of juvenile hormone and ecdysteroids were studied in Calliphora vomitoria. The experiments were conducted at 48 andExpand
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A study of hormonal levels of the locust Locusta migratoria cinerascens artificially changed to the solitary state by a chronic CO2 treatment of one minute per day
Abstract 1. 1. The hormonal levels of the three JH (JH 1, 2 and 3) and of ecdysteroids are measured by RIA in the 5th larval age and the 15 first days of adult life in both sexes of the migratoryExpand
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The activity of denervated corpora cellata in a diapausing strain of Locusta migratoria: in vivo and in vitro studies
Summary The activity of denervated corpora allata of a diapausing strain of Locusta migratoria is compared in vivo and in vitro. Inactive corpora allata (CA) of diapausing adult females soon becomeExpand
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Protein kinases and their endogenous substrates in the fat body of female Rhodnius prolixus
Abstract Cyclic nucleotide-dependent and cyclic nucleotide-independent protein kinase (PK) activities were quantified in fat body cytosol of female Rhodnius prolixus . Large changes were observed forExpand
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Hormonal levels and protein variations during sexual maturation ofSchistocerca gregaria; effect of rearing temperature
As a result of the decrease of diurnal rearing temperature from 33 to 28°C the following phenomena were induced in adults ofSchistocerca gregaria: a) In females, a delay in the appearance of maximalExpand
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Adaptation of a Callosobruchus maculatus strain to Vicia faba , as its new host plant
Callosobruchus maculatus (F.) is a bruchid beetle developing in the seeds of 14 leguminous species (Delobel & Tran, 1993). In West Africa, the cowpea Vigna unguiculata is its main host plant. TheExpand
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The role of juvenile hormones in the larval diapause of the cricket Gryllus campestris (orthoptera)
Abstract Titration of juvenile hormones in diapausing and non-diapausing cricket of the species Gryllus campestris , juvenile hormone 1 injections into diapausing animals which break the diapause,Expand
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