Scathophaga MEIGEN 1803
Creators: name: Šifner, František
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Scathophagidae
Scathophaga

description: Key to Central European species of the genus Scathophaga MEIGEN, 1803   
1 Arista bare...........................................................................................................................2  
‒ Arista plumose or pubescent...............................................................................................6  
2 Male abdominal sternite 5 with two inconspicuous submedial processes or sternite 5 with only an incision medially............................................................................................3  
‒ Male abdominal sternite 5 with distinct lobes.....................................................................4  
 3 Male surstyli long (Fig. 14), male pregonite with four setae (Fig. 15), female abdominale sternite 7 divided into three separate sclerites (Fig. 16)............................................................................................................................................. S. furcata (SAY, 1823)   
 - Male surstyli very short (Fig. 62), male pregonite with three setae dorsally (Fig. 63).................................................................................................................. S. vlastae ŠIFNER, 2000   
 4 Lobes of male sternite 5 arched outside, medially with short bristles (Fig. 21), male pregonite with one dorsal seta (Fig. 23), female abdominal sternite 7 long and oval........................................................................................................ S. intermedia (WALKER, 1849)   
‒ Lobes of male abdominal sternite 5 straight........................................................................5  
 5 Lobes of male sternite 5 medially without short bristles (Fig. 45), male pregonite with two setae apically (Fig. 47), female abdominal sternite 7 long and enlarged caudally (Fig. 48)............................................................................. S. pictipennis OLDENBERG, 1923   
 ‒ Lobes of male abdominal sternite 5 medially with short bristles (Fig. 29), male pregonite with one apical seta and one lateral seta (Fig. 31), female abdominal sternite 7 quadrate (Fig. 32)...................................................................... S. litorea (FALLÉN, 1819)   
6 Male abdominal sternite 5 submedially only with an incision.............................................7 ‒ Male abdominal sternite 5 with two submedial processes...................................................8  
 7 Male abdominal sternite 5 rounded and long haired (Fig. 33), male pregonite with four setae apically (Fig. 35), female abdominal sternite 7 pointed caudally (Fig. 36).................................................................................................................. S. lutaria (FABRICIUS, 1794)   
 ‒ Male abdominal sternite 5 angular laterally and with long bristles (Fig. 9), male pregonite wide with one apical seta and 10‒14 setae of different length dorsally (Fig. 11), female abdominal sternite 7 long, narrowed distally, with six to eight bristles caudally (Fig. 12).................................................................... S. cineraria (MEIGEN, 1826)   
8 Submedial processes of male abdominal sternite 5 not prolonged elongate........................9  
‒ Submedial processes of male abdominal sternite 5 distinctly elongated...........................11  
 9 Male pregonite with three setae apically (Fig. 19), male surstyli straight and pointed (Fig. 18), female abdominal sternite 7 narrowed caudally and covered with fine bristles (Fig. 20).................................................................................. S. inquinata (MEIGEN, 1826)   
‒ Male pregonite with two setae apically.............................................................................10  
 10 Male abdominal sternite 4 very wide and narrowed distally (Fig. 41), male surstyli long, straight and pointed (Fig. 42), male pregonite with one short and one long setae apically (Fig. 43), female abdominal sternite 7 withan incision caudally (Fig. 44)............................................................................................................... S. moraviensis ŠIFNER, 2011   
 ‒ Male abdominal sternite 4 quadrate (Fig. 5), male surstyli weakly arched and pointed (Fig. 6) male pregonite with two setae of equal size apically (Fig.7), female abdominal sternite 7 enlarged caudally (Fig. 8)............................................. S. analis (MEIGEN, 1826)   
 11 Acrostichal bristles numerous, forming more than two rows; lateral parts of male starnite 5 short (Fig. 49), male pegonite with one long seta apically and one long seta dorsally (Fig. 51), female abdominal sternite 7 divided into three separate sclerites, two lateral sclerites connected by hyaline membrane, distal sternite is independent (Figs 52a‒d)............................................................................... S. stercoraria (LINNAEUS, 1758)   
‒ Acrostichal bristles in two distict rows..............................................................................12  
 12 Lateral part of male sternite 5 long (Fig. 37), male pregonite with one seta apicalliy and one seta laterally (Fig. 39), male surstyli basally arched, cerci densely haired (Fig. 38), female abdominal sternite 7 divided into three separate sclerites connected by hyaline membrane (Figs 40a‒d)........................................................ S. merdaria (FABRICIUS, 1794)   
‒ Lateral part of male sternite 5 short and weakly sclerotized..............................................13  
13 Male surstyli straight and pointed.....................................................................................14  
‒ Male surstyli arched and pointed.......................................................................................15  
 14 Male pregonite with one seta apically and six setae dorsally (Fig. 55), sternites 4 and 5 oval, female abdominal sternite 7 divided into two separate sclerites (Fig. 56)...................................................................................................................... S. suilla (FABRICIUS, 1794)   
 ‒ Male pregonite with one seta apically and seven setae dorsally (Fig. 59), sternites 4 and 5 rectangular, female abdominal sternite 7 oval and in one piece (Fig. 60)......................................................................................................................... S. taeniopa (RONDANI, 1867)   
 15 Male abdominal sternite 4 long, rectangular (Fig. 25), male pregonite with one seta apically and six setae dorsally (Fig. 27), female abdominal sternite 7 in one piece, long and bristled caudally (Fig. 28)..................................................... S. jizerensis ŠIFNER, 2004   
 ‒ Male abdominal sternite 4 enlarged caudally (Fig. 1), male pregonite with one long seta apically and 5 long setae and in addition to 3‒4 short setae dorsally (Fig. 3), female abdominal sternites 7 and 6 narrow and weakly bristled (Fig. 4)....... S. karmazini nov. sp.
description: Published as part of Šifner, František, 2020, Scathophaga karmazini nov. sp., a new species from Austria, with a key to Scathophaga species from Central Europe (Diptera, Scathophagidae), pp. 731-757 in Linzer biologische Beiträge 52 (1) on pages 738-739, DOI: 10.5281/zenodo.5273942