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Trypoxylon exiguum
Tsuneki, 1956
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First gastral segment club-shaped, narrow at base, gradually widening distally. Almost entirely black, but tibiae and tarsi of forelegs and middle legs yellowish brown. This wasp, one of the smallest species of the genus Trypoxylon of Japan, hunts mainly spiderlings of the family Aranenidae or Theridiidae.
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Crabronidae
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Trypoxylon
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Body length :
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female
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5-7 mm
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male
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5-7 mm
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Distribution in Japan :
Hokkaido, Honshu, Izu Islands, Shikoku, Kyushu, Tsushima Island, Yakushima Island
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Dorsal view of female
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Lateral view of female
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Frontal view of female
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