Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"egg chorion"”.
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The distribution of different fluorescence dyes in the egg and embryo of the zebrafish (Danio rerio)
… dyes in different compartments of the zebrafish egg (chorion, perivitelline space, different organs of the embryo). For a better assessment of the effects of side chains, rhodamine b and fluorescein were chosen as basic fluorochromes, which were then modified by diverse substituents that differed …
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Aspects of the ecology of Scolypopa australis (Walker) (Homoptera:Ricaniidae) and its parasite Centrodora scolypopae (Valentine) (Hymenoptera: Aphelinidae)
… vine hopper, Scolypopa australis Walker, and its egg parasite, Centrodora scolypopae Valentine, were studied in a bracken and blackberry filled gully near Hamilton, New Zealand, from 1980-85. The S. austral is egg population was estimated using a height frequency vegetation sampling method and the …
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Stink bug egg studies in southeastern Virginia: parasitoid survey, and susceptibility and chorion permeability to insecticides
… known about stink bug (Hemiptera: Pentatomidae) eggs, their natural enemies, and their susceptibility to insecticides. A survey of stink bug egg parasitoids was conducted in row crops and vegetables in eastern Virginia. Parasitization was highest in Euschistus servus (Say) with 89.7% and 49.2% of …