Taxonomy of Bradysia Winnertz (Diptera, Sciaridae) in the Northern Holarctic, with the description of four new species Author Heller, Kai 8F9A2911-A7EC-4CA7-ACAC-E9339D258DE3 Erwin-Salomon-Str. 25, D- 25451 Quickborn, Germany. E-mail: kaiheller @ gmx. de & urn: lsid: zoobank. org: author: 8 F 9 A 2911 - A 7 EC- 4 CA 7 - ACAC-E 9339 D 258 DE 3 Author Hippa, Heikki 546524AD-3BD1-4830-842F-EEEE7DF4799B Gribbylunds allé 2, SE- 183 65 Täby, Sweden. E-mail: heikki. hippa @ gmail. com & urn: lsid: zoobank. org: author: 546524 AD- 3 BD 1 - 4830 - 842 F-EEEE 7 DF 4799 B Author Vilkamaa, Pekka A4EAD3B5-DA5E-4C09-8E3A-9289CA7358ED Finnish Museum of Natural History, Zoology Unit, P. O. Box 17, FI- 00014 University of Helsinki, Finland. & urn: lsid: zoobank. org: author: A 4 EAD 3 B 5 - DA 5 E- 4 C 09 - 8 E 3 A- 9289 CA 7358 ED & Corresponding author: pekka. vilkamaa @ helsinki. fi text European Journal of Taxonomy 2015 2015-05-08 122 1 15 journal article 22421 10.5852/ejt.2015.122 b931ec92-910e-4224-9b4a-463112805869 2118-9773 3780186 26D7AA3F-7D72-45B2-BF6D-69BAFDC7B0E7 Bradysia falciceps sp. nov. urn:lsid:zoobank.org:act: 60FA7B62-2FFA-43FE-A5A2-5AC02CF29B13 Fig. 4 A–B Diagnosis Small-sized Bradysia . Brown. Maxillary palpus with 3 segments, segment 1 with shallow sensory area. Wing length 1.5–1.7 mm , veins indistinct. Gonostylus narrow, mesially impressed, with apical tooth and 5–6 megasetae in one group. Etymology The name is derived from the Latin words falx (scythe) and - ceps (of the head), referring to the curved apical tooth of the gonostylus of the species. Material examined Holotype FINLAND : ♂ , Lapponia inariensis, Utsjoki , tundra, Malaise trap , 14 Aug. 2000 , Fatouros, MZH . Paratypes FINLAND : Same data as holotype , 1 ♂ , PKHH 3368; Regio aboensis, Turku, Pomponrahka (Grid 6719377:3240217), open bog, Malaise trap, 1 Aug.–28 Sep. 2011 , J. Salmela, 1 ♂ , MZH . CANADA : Ontario , Sudbury Co., Chapleau, Superior Forest, mature (99 years old) stand composed of 90% Pinus banksiana and 10% P. mariana with an understory shrub layer of Vaccinium , very wet, with considerable bryophyte coverage, photoeclector on pine log, 23 Jun.–8 Jul. 2013 , R. Deady & T. Work, 3 ♂♂ , PRDM ; same data but 7–22 Jul. 2013 , 1 ♂ , MZH . Description (male) HEAD. Brown, antennal flagellomeres 1–2 yellow, scapus, pedicellus and flagellomeres 3–14 unicolorous pale brown; maxillary palpus very pale brown. Eye bridge 3 facets wide. Face with 15–21 scattered longer and shorter setae. Clypeus with 1–2 setae. Maxillary palpus with 3 segments; segment 3 longer than segment 1, segment 2 shortest; segment 1 with 1–2 setae, with small shallow dorsal sensory area; surface of antennal flagellomeres smooth, body of flagellomere 4 1.85–2.3× as long as wide, neck shorter than broad, longest setae as long as width of flagellomere. THORAX. Brown, setae pale. Anterior pronotum with 4–7 setae. Episternum 1 with 8–9 setae. Scutum with long dorsocentrals, with some longer and shorter laterals, scutellum with 4 longer and some short setae. WING. Hyalinous. Length 1.5–1.7 mm . Width/length 0.45–0.50. Veins indistinct. R1/R 0.60–0.65. c/ w 0.75 –0.85. r-m and bM subequal in length. r-m with 1–2 setae, bM non-setose. LEGS. Yellow. Coxal setae pale. Front tibial organ with pale vestiture forming short row. Front tibial spur longer than tibial width. Claws without teeth. ABDOMEN. Pale brown, setae pale and fine. HYPOPYGIUM ( Fig. 4 A–B). Brown, concolorous with abdomen. GONOCOXA. Narrow, longer than gonostylus, mesial margin with normal setosity. GONOSTYLUS. Narrow, evenly straight, with shallow lateral notch at apical fourth, with mesial side impressed at all its length; with dense apical setosity, with strong curved apical tooth-like megaseta, Fig. 4. Bradysia falciceps sp. nov. (holotype). A . Part of hypopygium, ventral view. B . Gonostylus, ventral view. Scales = 0.1 mm. with 5–6 subapical megasetae, megasetae sharp, in single group. Tegmen conical, weakly sclerotized, with area of aedeagal teeth. Aedeagal apodeme long. Remarks Bradysia falciceps sp. nov. belongs to the Bradysia praecox group and is most similar to B. nitidicollis (Meigen, 1818) , B. iridipennis (Zetterstedt, 1938) and B. quercina Menzel & Köhler, 2014 by sharing a strong apical tooth at the dorsoapical part of the gonostylus (see Köhler et al. 2014 ). Bradysia falciceps sp. nov. can be distinguished from all other species of the B. praecox group in having pale basal antennal flagellomeres with dark necks.