Archive image from page 470 of The anatomy, physiology, morphology and. The anatomy, physiology, morphology and development of the blow-fly (Calliphora erythrocephala.) A study in the comparative anatomy and morphology of insects; with plates and illustrations executed directly from the drawings of the author; CUbiodiversity4765349-9875 Year: 1890 ( THE EXTERNAL GENERATIVE ORGANS. 745 e. The External Generative Organs of the Female Blow-fly. The tubular ovipositor of the Muscidas differs entirely in structure from the ovipositor proper of the Orthoptera, Hymenoptera, and many other Insects. B
Archive image from page 470 of The anatomy, physiology, morphology and. The anatomy, physiology, morphology and development of the blow-fly (Calliphora erythrocephala.) A study in the comparative anatomy and morphology of insects; with plates and illustrations executed directly from the drawings of the author; CUbiodiversity4765349-9875 Year: 1890 ( THE EXTERNAL GENERATIVE ORGANS. 745 e. The External Generative Organs of the Female Blow-fly. The tubular ovipositor of the Muscidas differs entirely in structure from the ovipositor proper of the Orthoptera, Hymenoptera, and many other Insects. Burmeister [8, p. 194] distinguished it by the term 'vagina tubiformis,' and correctly remarks, ' it is a mere continuation of the abdomen, and con- sists like it of rings, which gradually decrease in compass, so Fig. 107.—A, The ovipositor of the Blow-lly exsertetl. vi. to viii., sixth to eighth abdominal somites ; a, anal scales ; c, cg. H, Terminal somites of the ovi- positor of a Blow-lly. d, dorsal scale of the anal somite ; st, sternum of the eighth abdominal somite ; s, sternal plate of the anal somite. that the largest and most anterior, as in the case of a telescope, receives within it all the rest when this organ is withdrawn within the abdomen, wherein it lies concealed.' The Ovipositor consists of four somites. The first of these is the sixth abdominal ring. It exhibits two sclerites, a dorsal and a ventral plate (Fig. 107 A, vi.), and the former, like the corresponding tergum of the male, has two spiracles instead of one at each of its posterior angles. It is united with the annuli both in front and behind by very broad, flexible
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