Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 92. (Budapest 2000)

Roháček, J. ; Papp, L.: Crumomyia microps sp. n. from Austria and notes on other cavernicolous Crumomyia species (Diptera: Sphaeroceridae)

gion. Most recently, C. tyrphophila ROHACEK, 1999 has been described from peat-bogs in the Sumava Mts. (Czech Republic) which was a surprising discovery considering the fact that the genus Crumomyia was particularly well studied in Central Europe (cf. ROHÁCEK 1991, 1999). C. tyrphophila is now also known from Austria (Osttirol, Drautal, Mittewald - Kristeintal, 1500 m, 15.8.1999, 1 male, A. KOFLER leg. and coll.). Thus, 32 species of Crumomyia have been described to date. A further new species was unexpectedly found among flies collected in Obstans caves in the eastern Tyrol (Austria), kindly presented to us by Dr. ALOIS KOFLER (Lienz, Austria). A number of Crumomyia species are known to live in caves (cf. PAPP & PLACHTER 1976; PAPP 1979, 1982; PAPP & ROHACEK 1983; ROHÁCEK 1991 ; ROHÁCEK & KOSEL 1993) but most of them do not belong to the troglobiont category as they also (or preferably) occur outside caves, usually in various shaded and cold habitats such as burrows of small mammals, deep gulleys, rocky ravines and slots, mine galleries, etc. However, a few of them (see also discussion below) are only known from caves and because they are morphologically modified due to the cavernicolous way of life, are considered true troglobionts. The new species (described below) also seems to be a member of this group. Crumomyia microps sp. n. (Figs 1-8, 11-12) Type material - Holotype male and 5 males 6 females paratypes: Austria: Osttirol, Karnische Alpen, Obstans Tropfsteinhöhle, 2320 m, 7.9.1997-20.9.1998, Kahlen et Egger leg. One paratype: Austria: Osttirol, Karnische Alpen, Obstanser Eishöhle, 2180 m, 7.9.1997-15.9.1999, Kahlen leg. Holotype and part of paratypes are deposited in the Hungarian Natural History Museum, Budapest (Hungary), remaining paratypes in the Silesian Museum, Opava (Czech Republic) and in the collection of Dr. ALOIS KOFLER, Lienz (Austria). All specimens were dried from alcohol and pinned or glued on cards. Abdomens of several paratypes were removed, cleared and/or dissected and preserved in plastic tubes with glycerine pinned below respective specimens. Note: some paratypes are provided with slightly different text on locality labels [e.g. "Kartitsch Umgcb.", "Obstans Höhle B.F.", "lg. Kahlen"] but all have the same date and altitude. Etymology: The species is named according to its reduced eyes, the most striking feature distinguishing it from the closely related Crumomyia notabilis (COLLIN, 1902). Description - Male. Total body length 3.77-4.17 mm (specimens dried from alcohol); general colour dark to blackish brown; most of body with relatively sparse brownish grey microtomcntum. Head (Fig. 3) about as long as high, with voluminous moulhparts being almost as large as the head proper. Frons wide because of reduced eyes, largely microtomentose, only small spots laterally to ocellar triangle, a very narrow (lanceolate in shape) frontal triangle, small posterior part of orbit, anterior margin of frons and frontal lunule with reduced microtomentum or bare and shining. Anterior fourth to third offrons distinctly paler (ochrcous or reddish brown). Face (prefrons) blackish