Diptera danica : genera and species of flies hitherto found in Denmark . e, cheeks fmely and somewhat sparingly hairy; jowls withblack hairs, Occiput grey, only hairy along the margin, but herewith black hairs behind the postocular bristles. Antennæ black,third joint about thrice as long as second; arista thickened in lessthan basal half. Palpi yellowish or brownish. Thorax bluish white 230 Tachinidae. pruinose, wiih three more or less distinct dark stripes, confluentbehind; scutellum dark. Thorax with longish black hairs, amongthe hairs generally a pair of præsutural and præscutellar acrostic


Diptera danica : genera and species of flies hitherto found in Denmark . e, cheeks fmely and somewhat sparingly hairy; jowls withblack hairs, Occiput grey, only hairy along the margin, but herewith black hairs behind the postocular bristles. Antennæ black,third joint about thrice as long as second; arista thickened in lessthan basal half. Palpi yellowish or brownish. Thorax bluish white 230 Tachinidae. pruinose, wiih three more or less distinct dark stripes, confluentbehind; scutellum dark. Thorax with longish black hairs, amongthe hairs generally a pair of præsutural and præscutellar acrosticlials,or the præsutural irregular, in one row. On sternopleura long hairsbesides the bristles. Abdomen black, the segments with white orbluish white front bands which are broader or narrower, and wideningtowards the sides, so that the black colour forms smaller or largersomewhat triangular spots; the spots on the three last segmentssometimes more or less divided into three, the last segment black onapical half or more. Venter black. Abdomen black-haired, with mar-. Fig. 67. Wing of P. elegantula. ginal bristles, on second segment none, on third and fourth a black, with the bristles rather fme. Wings hyaline; veins brown;posterior cross-vein placed at the middle betw^een medial cross-veinand angle or about. Squamulæ white. Halteres yellow. Female. Somewhat similar with frons of the same or about thesame breadth; frontal stripe yellowish; third antennal joint relativelya little shorter. Thorax nearly all whitish pruinose, the stripes slightlymarked. Abdomen with the black spots always divided into threeon each segment and besides with lateral spots, not seen from above;venter whitish. Legs paler than in male, brownish or brownish yellowwith tarsi black. Length 4,5—5,5 mm. P. elegantula is somewhat rare in Denmark, I know it only fromSkagen, taken in July (H. J. Hansen), and besides, two specimensfrom earlier time without particular locality. The species is record


Size: 2367px × 1056px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad