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Symmorphus apiciornatus
(Cameron, 1911)
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Body black, with yellow bands on posterior margin of first, second and fourth gastral tergites. Much smaller than Symmorphus foveolatus, with the first gastral segment wider than long which has a deep furrow in the middle. This species hunts larvae of flea weevils (Curculionidae), and frequently nests in thin reed tubes of thatched roofs.
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Vespidae
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Symmorphus
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Body length :
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female
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8-9 mm
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male
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6-7 mm
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Distribution in Japan :
Hokkaido, Honshu, Izu Islands（Oshima Island）, Sado Island, Shikoku, Kyushu, Tsushima 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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