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Ancistrocerus japonicus
(Schulthess, 1908)
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Body black, with yellow bands on posterior margin of first and second gastral tergites. Female clypeus with a pair of yellow spots near the tip. The wasps of the genus Ancistrocerus have a transverse ridge on the anterior margin of the first gastral tergite. This species nests in small holes in rock or reed tubes, making mud partitions between cells. They hunt small moth larvae.
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Vespidae
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Ancistrocerus
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Body length :
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female
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10-12 mm
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male
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9 mm
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Distribution in Japan :
Honshu, Izu Islands, Sado Island, 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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Dorsal view of male
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Lateral view of male
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Frontal view of male
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