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Solva marginata (Diptera: ) represent a family new to Albania

PATRIK KATONA1* & EDVÁRD MIZSEI1

1University of Debrecen, Department of Evolutionary Zoology, H-4032 Debrecen, Egyetem tér 1, Hungary. *Corresponding author. E-mail: [email protected]

Received 20 October 2015 │ Accepted 28 October 2015 │ Published online 31 October 2015.

The Albanian Diptera fauna is one of the least studied areas in Europe; only 932 species and subspecies have been reported from the country (Pape & Beuk 2013). The Xylomyidae are a small family of Stratiomyomorpha comprised of four genera and 138 described species. The family is found in all zoogeographic regions but is somewhat more dominant in tropical forests. Only two genera occur in the Palaearctic region, Walker, 1859 and Rondani, 1861 (Woodley 2011). Solva contains six species in Europe, but four of them (Solva cabrerae, S. nigritibialis, S. palmensis, S. varicolor) are endemic to the Canary Islands and Madeira. Xylomya contains three species in Europe (Woodley 2011; Pape & Beuk 2013), but two of them are Nordic. However, two Caucasian species were found in the East Mediterranean Region by Üstüner & Hasbenli (2011); we also considered these species in our work. Based on the distribution data the species expected to be found in Albania are (Meigen), S. varia (Meigen), Xylomya ciscaucasica (Pleske), X. maculata (Meigen) and X. mlokosiewczi (Pleske). We present a key to the species expected to occur in Albania. The specimen was collected during a field trip to Albania. We observed the on a rocky wall and caught by net at a surprisingly high altitude (1630m a.s.l.). The specimen was preserved in a polyethylene tube after killed by chloroform. It was identified using a BTC STM-4 stereoscopic microscope based on keys provided by Lindner (1938), Majer (1977) and Nagatomi & Rozkosny (1997). The voucher specimen will be deposited in the Diptera Collection of the Hungarian Natural History Museum, Budapest, Hungary.

Solva marginata (Xylomyidae)

Material examined: Albania, Gjirokastër County, Mt. Shëndëllisë (Shendelli), N 40.353042° E 20.053191°, 1630m a.s.l. 28.06.2014, leg. P. Katona, 1 female.

Remarks: The occurrence of Solva marginata represents the first record of the family Xylomyidae in Albania (Fig. 1.). S. marginata is the most widespread species of this family, known from the following countries: Andorra, Austria, Belgium, Bulgaria, France, China, Czech Republic, Denmark, France, Germany, Great Britain, Hungary, Italy, Mongolia, Netherlands, Poland, Romania, Russia, Slovakia, Spain, Sweden, Switzerland, Turkey and Ukraine (Üstüner & Kalyoncu 2005; Woodley 2011; Pape & Thompson 2013).

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FIRST RECORD OF SOLVA MARGINATA FROM ALBANIA

Figure 1. The collecting locality of the Solva marginata specimen in Albania.

Key to Xylomyidae genera expected to occur in Albania (based on Nagatomi & Rozkosny 1997)

1 Palpus 2-segmented. Scutum without yellow patches. Hind femur usually swollen and with ventral teeth. Male genitalia: tergum 9 without latero-apical process; cercus usually smaller or slender; sternum 10 simple; sternum 8 usually undivided apically ...... Solva Walker 2 Palpus l-segmented. Prescutum and scutum with yellow patches. Hind femur slender and without ventral teeth. Male genitalia: tergum 9 with latero-apical process; cercus larger and broad; sternum 10 trilobed apically; sternum 8 divided into two lobes apically...... Xylomya Rondani

Key to Solva species expected to occur in Albania (from Majer 1977)

1 Coxae yellowish; hind femur not conspicuously swollen and without lateral spines. The frons is covered with whitish hair. Antennae 3x as long as the length of the head ...... Solva varia (Meigen, 1820) 2 Coxae brownish; hind femur swollen and with short, stout lateral spines. The frons is covered with yellowish hair. Antenna 1.5x as long as the length of the head...... Solva marginata (Meigen, 1820)

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KATONA & MIZSEI

Key to Xylomya species expected to occur in Albania (based on Üstüner & Hasbenli 2011)

1 Mesopleuron and pteropleuron with yellow spots along pleural suture. Mesonotum with distinct yellow spots on transverse suture. Hind tibia blackish on more than apical 1/3 ...... 2 - Mesopleuron and pteropleuron without yellow spots along pleural suture. Mesonotum with indistinct yellow spots on transverse suture. Hind tibia lighter, black only at extreme apex. Abdomen black, with small rectangular yellow spots on tergite 2. Tergites 3 - 6 with pale posterior margins...... Xylomya ciscaucasica (Pleske, 1928) 2 Mesonotum with longitudinal yellow stripes interrupted in the middle and connected to humeral spots. Abdomen with narrow yellow stripes along posterior margins of tergites 3-7 ...... Xylomya maculata (Meigen, 1804) - Mesonotum with distinct yellow spots on transverse suture which are not connected to humeral spots. Abdomen with yellow lateral spots of tergites 3-7 ...... Xylomya mlokosiewczi (Pleske, 1925)

Acknowledgments The authors are grateful to Mihály Földvári, Gábor Kardos and Tamara Szentiványi for the valuable suggestions on the manuscript.

References

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