Diptera danica : genera and species of flies hitherto found in Denmark . t; the spots maybe more or less pronounced, but are always distinct, only on fifthsegment generally less distinct, and on second often confluent. Bristlesas in cristata, but always no bristles on second segment. Female. Similar; antennæ considerably smaller, third joint onlytwice as long as second or a little more. Abdomen generally quiteor almost quite grey, with the same brown spots as in male. Length 3,7—4,5 mm. B. maculata is common in Denmark; at Copenhagen, Charlotten-lund, Ordrup Krat, Ermelund, Dyrehaven, Lyngby M
Diptera danica : genera and species of flies hitherto found in Denmark . t; the spots maybe more or less pronounced, but are always distinct, only on fifthsegment generally less distinct, and on second often confluent. Bristlesas in cristata, but always no bristles on second segment. Female. Similar; antennæ considerably smaller, third joint onlytwice as long as second or a little more. Abdomen generally quiteor almost quite grey, with the same brown spots as in male. Length 3,7—4,5 mm. B. maculata is common in Denmark; at Copenhagen, Charlotten-lund, Ordrup Krat, Ermelund, Dyrehaven, Lyngby Mose, Holte,Hillerød, Nøddebo, Tisvilde, Vallerød, Sletten, Lave Skov at Hel-singør; on Lolland at Nysted; in Jutland at Sønderborg, Madeskov,Hejls, Nymindegab, Sæby and Frederikshavn, and on Bornholm inAlmindingen and at Sandvig; the dates are ^U—^Vg- I have takenit in copala on ^^/g. It occurs in woods and fields in low herbage andon flowers, often on composites and often numerously. A number ofmy specimens is bred from an undetermined lepidopterous Fig. 99. Head of B. maculata ^. 474 Tachinidae. and emerged in February (in a warm room); otherwige no host seemsto be known (see under cristata). Geographical distribution: — Northern and middle Europe;not known north of Denmark. 3. B. geniculata De G. 1776. De G. Mém. Ins. VI, 20, 15, Tab. II, Fig. 19—23 {Musca). — Dipt. Scand. III, 989, 1, p. p. et 1859. XIII, 6064, 1 (Siphona). — æg. apud. Zett. Dipt. Scand. VIII, 3210, 1 {Siphona). — 1862. Schin. F. A. I,521 {Siphona). — 1894. Pand. Rev. Entom. XIII, 108, 2 {Siphona). — palåarkt. Dipt. III, 381. — 1921. Baer, Zeitschr. f. angew. Ent. VII,369. — 1924. Stein, Arch. f. Naturgesch. 90, 6, 127, 2, p. p. — Stomoxys minutaFabr. 1805. Syst. Antl. 282, 17. — 1849. Stæg. apud Zett. ]. c. VIII, 3211, 3{Siphona). — 1894. Pand. 1. c. XIII, 108, 5 {Siphona). — S. nigrovittata Syst. Beschr. IV, 157, 4. Ma
Size: 1574px × 1586px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad
