Onthophagus similis (Scriba, 1790)

Female
Southern and central England, more especially near the coast, widespread but local although common, sometimes very common, where found. In various types of dung on sandy or calcareous soils (Britton, Jessop). We have not found this species in the Watford area, those featured are from Brockenhurst, Hants (New Forest), June 2005 in horse dung.

4.5-9mm. Pronotum sinuate behind front angles as O. coenobita but less strongly metallic, often dull. Elytra brown or dark yellow, often obscurely darkened. Epipleurs dark, at least the inside margin. Similar to O. fracticornis (Preyssler), a species known from only a single Hampshire locality, from which it differs subtley in the shape of the male horn and female cephalic ridge. In O. fracticornis the 2nd and 3rd segments of the maxillary palps are equal in length, in O. similis the last segment is only 2/3 length of the penultimate. See Johnson for a discussion of differences.

Description from 2 Hampshire specimens at X20

Johnson, C., 1967. Ent. Mon. Mag. 103:1-4


Female

Male

Female

Female

Male

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