Smithsonian miscellaneous collections . m sTt0 iv- /_AAD ^T|i LATERAL VIEW, 9 DORSAL VIEW, ?. 50 LATERAL VIEW, cf IFL ST SPLFigs. 45-50.—Terminal abdominal segments. 48 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 122 SPIRACLES There are eight pairs of abdominal spiracles (SP). The first pairis situated in the first sternite, described previously. The next six pairsare situated in the pleural membranes near the posterior sternal proc-esses in each of the abdominal segments 2 to 7. They are ovoid in shapeand oblique in position. The eighth pair is situated on the pleuralmembrane close to the midd
Smithsonian miscellaneous collections . m sTt0 iv- /_AAD ^T|i LATERAL VIEW, 9 DORSAL VIEW, ?. 50 LATERAL VIEW, cf IFL ST SPLFigs. 45-50.—Terminal abdominal segments. 48 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 122 SPIRACLES There are eight pairs of abdominal spiracles (SP). The first pairis situated in the first sternite, described previously. The next six pairsare situated in the pleural membranes near the posterior sternal proc-esses in each of the abdominal segments 2 to 7. They are ovoid in shapeand oblique in position. The eighth pair is situated on the pleuralmembrane close to the middle of the lateral margins of the eighthsternite. It is almost twice as large as the other spiracles, elongateovoid, and parallel to the long axis of the body. FEMALE TERGITES AND STERNITES The tergites of the female are fundamentally the same as those ofthe male, except for some sexual dimorphic characters mentioned be-fore, tergite 10 (fig. 48) differs from that of the male in that dorsallyit is not wrinkled nor tuberculate, and apically it forms a straight lineinstead of being deeply
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Keywords: ., bookcentury1800, bookdecade1860, bookidsmiths, booksubjectscience
