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名字:汉森梭腹牙甲
学名:Cercyon hanseni
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Form and Color. Body elongate oval, length 2.7–2.9 mm, width 1.6–1.7 mm. Head, pronotum,scutellum and extreme base of elytra very dark brown, lateral margins of pronotum narrowly pale. Each elytron yellowish brown, with black sutural interval and a black triangular spot laterally in anterior two thirds of intervals 6–10 (sometimes only 7–10), the inner corner of the spot usually reaching fifth stria in anterior third. Elytral striae dark. Elytral epipleura yellow. Maxillary palpomeres 1–3 reddish yellow, palpomere 4 slightly darkened, sometimes even palpomere 3 of same color as palpomere 4. Antennae reddish yellow except for dark club. Ventral surface dark brown to black, posterior margins of abdominal ventrites yellowish. Legs yellow to rufous, tarsi rufotestaceous. Biology: All type specimens were collected in cow excrements.
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