02075nas a2200217   4500008004100000245015600041210006900197300001000266490000900276520131500285653002001600653001601620653001601636653002001652653001401672100002501686700002301711700001901734700002301753856008101776       2009                        eng d00aOn the genus Urytalpa Edwards (Diptera: Keroplatidae) in the Nordic and  Nearctic regions, with fixation of a new type species and a key to world males0 agenus Urytalpa Edwards Diptera Keroplatidae in the Nordic and Ne  a29-500 v21603 aThe five Nordic species of the genus Urytalpa Edwards (Diptera: Keroplatidae) are revised, of which one species, Urytalpa galdes Hedmark & Kjaerandsen, sp. n., is described as new to science based on males collected in northern Sweden. We find that the original type species assignment for Urytalpa (Platyura ochracea Meigen, 1818) is based on a misidentification, and in order to stabilize the nomenclature we therefore select a new type species, Urytalpa dorsalis (Staeger, 1840), sp. restit. A lectotype is designated for Orfelia ochracea (Meigen, 1818), comb. n. = Orfelia unicolor (Staeger, 1840), syn. n. The males of U. atriceps (Edwards, 1913), U. dorsalis, U. macrocera (Edwards, 1913) and U. trivittata (Lundström, 1914), and the females of U. dorsalis, U. macrocera and U. trivittata are described and illustrated based on Nordic material. As the first known Nearctic representative of Urytalpa, U. nigrita (Johannsen, 1910), comb. n., known from western USA (Washington) and Canada, is transferred from Pyrtaula to Urytalpa, illustrated and compared with the closely related U. rhapsodica Chandler, 1995 from central Europe. A key to all known males is provided. The generic limits of Urytalpa as presently understood are vague in relation to related genera and the genus is in need of a revision.10anew combination10anew species10anew synonym10aNordic revision10aOrfeliini1 aKjærandsen, Jostein1 aMartinsson, Svante1 aHedmark, Kjell1 aEvenhuis, Neal, L.  uhttp://www.online-keys.net/sciaroidea/2000_/Kjaerandsen_etal_zt02160p050.pdf00936nas a2200157   4500008004100000022001400041245007800055210006900133260001800202300001000220490000700230520045800237100001800695700002500713856004000738       2009                        eng d  a0785-876000aA Siberian fungus gnat (Diptera: Mycetophilidae) species found in Estonia0 aSiberian fungus gnat Diptera Mycetophilidae species found in Est  c30 March 2009  a56-600 v203 a<p>The first European record of Exechia inaperta Ostroverkhova, 1979 is presented and its morphological difference from the allied E. exigua Lundstr&ouml;m, 1909 is discussed. Diagnostic characters and detailed figures ofmale terminalia are given for both species. The new finding of E. inaperta in Estonia indicates a possibly disjunct Euro-Siberian distribution pattern of the South-Taiga, also observed in several other species of fungus gnats.</p>
1 aKurina, Olavi1 aKjærandsen, Jostein  uhttp://www.entomologicafennica.org/02016nas a2200181   4500008004100000245011600041210006900157300000900226490000900235520140500244653001401649653001801663653001601681653001301697653001901710100002501729856008001754       2009                        eng d00aThe genus Pseudexechia Tuomikoski re-characterized, with a review of European species (Diptera: Mycetophilidae)0 agenus Pseudexechia Tuomikoski recharacterized with a review of E  a1-450 v20563 aThe genus Pseudexechia Tuomikoski is re-characterized and described, including a thorough morphological study of the male and female terminalia, providing homology assessment of the various parts and substructures. The 25 currently known species of Pseudexechia are tentatively grouped into four species groups that are characterized mainly by structures of the male terminalia: the canalicula group(Holarctic), the longistylus group (Afrotropical) the trisignata group (Holarctic and Oriental), and the trivittata group (Holarctic and Oriental). The ten European species of Pseudexechia are then revised, of which one, Pseudexechia tuomikoskii sp. n., is described as new to science. All males and nine associated females are keyed, measured, described and illustrated. A principal component analysis of 59 morphometric measurements failed to give a clear separation of the different species and species groups. Except for overall size and some diffuse differences in flagellomere and tarsus lengths the present study also failed to reveal morphometric characters that are clearly taxonomically informative, and species identity must rest primarily on structural differences in the terminalia with aid of coloration patterns. Given as ratios, however, some measurements, like the wing vein R4+5 bending index and the length to width ratio of clypeus, appear to be informative at species group level.10aExechiini10amorphometrics10anew species10arevision10aspecies groups1 aKjærandsen, Jostein  uhttp://www.online-keys.net/sciaroidea/2000_/Kjaerandsen2009_Zootaxa2056.pdf