Dr. Fritz Haub

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1. 54 specimens of Psocoptera, 108 specimens of Amblycera and 263 of Ischnocera babe been examined to compare the hypopharyngeal skeletons (sitophor — Snodgrass, 1944). 2. As a result a procedure for homologizing the elements of Psocodean sitophor with those of primitive Apterygotes (Gouin, 1968; Matsuda, 1965) was established. 3. The sitophor of Psocoptera(More)
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