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Sperm morphology of mud dauber Sceliphron fistularium dahlbom (Hymenoptera: Apoidea: Sphecidae), as an indication of bees relation.
The morphology of spermatozoon of Sceliphron fistularium is very similar to that described for bees. In particular, the response to E-PTA stains is similar to that observed in corbiculated Apidae,Expand
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New characteristics of the male reproductive system in the Meliponini bee, Friesella schrottkyi (Hymenoptera: Apidae): histological and physiological development during sexual maturation
Despite the biological importance of Meliponini bees, there are still many doubts about their reproductive physiology and phylogeny. When compared with other bee species studied up to now, theExpand
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The descriptions of new microanatomical structures of the male reproductive system and sperm of Myschocyttarus cassununga (Hymenoptera: Vespidae).
The male reproductive system of Mischocyttarus cassununga consists of two testes, each one with three follicles, as occurs in most Vespidae. The seminal vesicle is divided in two chambers, separatedExpand
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Characteristics of the male reproductive system and spermatozoa of leptophlebiidae (ephemeroptera).
This study describes morphological changes in the male reproductive system of Miroculis amazonicus (Savage & Peters) from mature nymphs to subimago stages. The sperm ultrastructure of MassartelaExpand
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Morphology of Male Reproductive Systems in Ephemeroptera: Intrinsic Musculature
Although the Ephemeroptera have been studied over a long period of time, there are still few studies on the morphology of male reproductive system. The spermatic ducts are considered conserved amongExpand
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