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A morpho‐functional study of the colonial ascidian Botrylloides leachi haemocytes was carried out to propose their classification, relationships and specializations. This characterization was obtained by (i) investigations of both living and aldehyde‐fixed cells by light and electron microscopy;...
The ultrastructure of the dorsal forewing vestiture in exemplars of all family group taxa of non‐ditrysian Lepidoptera is examined, and the evolutionary implications at family level and above are discussed. Wing‐scale terminology is reviewed. Three different types of bilayer wing‐scale covering...
We describe the microscopic structure of the sperm storage tubules (SSTs) of the polygynandrous alpine accentor, Prunella collaris. The SSTs were found at the utero‐vaginal junction of the oviduct and were composed of a single layer of columnar epithelium. The cells of the tubule proper were...
The morphology of ovaries, oviducts and egg capsules in four species of euholognathan stoneflies was investigated. The characteristic features found were as follows: (i) numerous, long ovarioles, that open individually to the extensively folded, lateral oviducts; (ii) a thin, morphologically...
The morphology of the respiratory structures located in the pleopod exopodites of terrestrial Isopoda is described for representative species of different genera. Special emphasis is set on the evolution of these lungs in the context of phylogenetic relationships as revealed by other...
A general description of the male reproductive organs of lower Hymenoptera is given. The terminology of the male genitalia is revised. The male external genitalia of Tenthredo campestris are treated in detail as a specific example of the morphology. The interaction of the male and female parts...
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