. 12. Antenna of Bh. sulcata. X 65. the two basal joints slightly greyish, with black hairs; the third joint elongated, the terminal part not much attenuated. Thorax brownish grey, somewhat shining, with three blackish stripes, the median nar- row; besides there is generally a dark shade at the side margin. The dorsocentral and acrostichal bristles somewhat short, black or brownish black; the acrostichal bristles pluriserial, the hindmost dorsocentral bristle long, forwards they are pluriserial and fusing with the hairs clothing the disc behind and inwards to the humeri; there are no humeral o
. 12. Antenna of Bh. sulcata. X 65. the two basal joints slightly greyish, with black hairs; the third joint elongated, the terminal part not much attenuated. Thorax brownish grey, somewhat shining, with three blackish stripes, the median nar- row; besides there is generally a dark shade at the side margin. The dorsocentral and acrostichal bristles somewhat short, black or brownish black; the acrostichal bristles pluriserial, the hindmost dorsocentral bristle long, forwards they are pluriserial and fusing with the hairs clothing the disc behind and inwards to the humeri; there are no humeral or posthumeral bristles, but three or four notopleural, some
Size: 3583px × 1395px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad