. Fig. 16. Antenna of H. diadem,a c?, from the inside. X 65. black. Antennæ black, not long, first joint longer than second, third short, triangular; the second overlaps the third about in the middle on both sides, highest on the outer side; it has a circlet of bristles at the apex, longest above and below; arista longer than the antennæ. Thorax metallic green, more olive on the disc, very slightly pruinose, shining; there are two posthumeral, a præsutural, and three supra- alar bristles. Scutellum very short-haired, with two long, black bristles, and on each side a very small hair. Pleura gre


. Fig. 16. Antenna of H. diadem,a c?, from the inside. X 65. black. Antennæ black, not long, first joint longer than second, third short, triangular; the second overlaps the third about in the middle on both sides, highest on the outer side; it has a circlet of bristles at the apex, longest above and below; arista longer than the antennæ. Thorax metallic green, more olive on the disc, very slightly pruinose, shining; there are two posthumeral, a præsutural, and three supra- alar bristles. Scutellum very short-haired, with two long, black bristles, and on each side a very small hair. Pleura greenish, fmely greyish pruinose; the prothoracic spiracle yellow; propleura with fine, pale


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Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad