1887

oa Journal of the Entomological Society of Southern Africa - Distinguishing nulliparous from parous females by the ovarian tracheation technique in four South African species of Culex (Diptera: Culicidae)

 

Abstract

The method of examining the tracheation of the ovaries of female mosquitoes to determine whether oviposition has occurred or not, was evaluated in Culex fatigans, C. pipiens, C. theileri and C. univittatus. Nulliparous and parous females were readily distinguished in all 4 species except in a very few specimens where the ovaries appeared intermediate in condition. The latter seemed due to prior deposition of an unusually small raft or owing to damage to the ovaries on dissection.

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/content/JESSA/36/2/AJA00128789_3442
1973-01-01
2016-12-07
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