Die Gattung Zodion Latr. 109 



shade than of the mesonotiim. First segment and anterior half of 

 second segment of abdomen black, opaque. The rest of the abdomen, 

 id darkred, except the sides of the fourth and fifth segments, which 

 are blackish. A narrow median poHinose stripe extends from the 

 black area of the second segment to the fifth segment. All of the 

 Segments with more or less gray pollen on their sides. Hairs of 

 thorax and the abdomen all black. Legs red, with the exception 

 of the Upper surfaces of the front femora, which are black. Colour 

 of the tarsi darker towards their tips. Wings with a brownish finge 

 and an open first posterior cell. This species runs in Adam's table 

 of the species of Zodion to No. 9, but it is quite distinct, from any 

 of the three species occupying that part of the table. Its colour 

 and broad oval abdomen, taken in connection with its sizeren, der 

 it easily recognizable. 



A Single (^ was taken 13. VII. 1909 near the mouth of the 

 Yellow River, Burnatt Co., by the Milwaukee Publ. Mus. coli, 

 exped. It is deposited in the collection of the Museum." 



Die folgenden Arten sind auf Grund der Beschreibungen nicht 

 in obige Tabelle einzureihen gewesen. Da ich sie nicht kenne, 

 gebe ich die Originalbeschreibungen. 

 30. Zodion occidensis Walk., List of Diptera, Vol. III, p. 676. 



^■. ,,Body brownish gray, thinly clothed with short tawny 

 hairs, head ferruginous, pitchy on the crown and behind, yellow 

 about the mouth, thinly clothed with short hairs. Eyes pitchy, 

 sucker black, feelers ferruginous, first Joint slender, second increasing 

 in breadth from base to tip, much longer than the first ; third linear, 

 roundet at the tip, a little shorter than the second, bristle much 

 shorter than the third; bind border of abdominal segments paler. 

 Legs pitchy, clothed with short black hairs, thighs towards the base, 

 knees, foot-cushions, and claws tawny, tips of the claws black. 

 Wings slightly gray, whitish at the base, wing-ribs tawny, veins 

 pitchy, tawny at the bases, poisers yellow. Length of body. 1 % lin., 

 of wings 3 lines. 



Ohio." 



In Aldrich's Catalog steht die Art als fragliches Synonym bei 

 Z. nanellum Lw. 



31. Zodion triste Big. 



Ann. Soc. Ent. France 1887, 6. s6r., 7, p. 203. 



(J: „Long. 5 mm. Antennes et ch6te rougeätre; front ochrac^, 

 face jaunätre, bords internes des orbites liseres de blanc; thorax, 

 ecusson noirätres, callosites humerales, ecusson, ä reflets gris; 

 cuillerons et balanciers fauves; abdomen gris, premier segment, 

 dessus de deuxieme et troisieme noirätres; pieds fauves, dessus 

 des cuisses milieu des tibias et tarses, brunätres; ailes d'un gris 

 sal6, un peu jaunätre ä la base. 



Californie." 



4. H«(t 



