_*fl TUB f ANADIAN KNTOM«»l,or,lPT. 



SOMK NEW AND RARK DIPTERA FROM WISCONSIN. 



BY S. t;R.t:NILHER, PUBLIC MUSEUM, MILWAUKEE. 



Two of the species considered in this paper weic found in the eastern 

 part of Wisconsin. The others were taken last summer in the nonh-we.stern 

 part of tlie State by the collecting expedition of the Milwaukee Public 

 Museum down the St. Croi.x River. 



ZoJion /ativentre, n. sp. — Length about 7 mm. Thorax black, with 

 dark gray pollef). Abdomen broad, mostly dark red. Front reddish- 

 yellow below, darker above, slightly pollinose along the sides. Occiput 

 black. The black pile of the latter is longer and more dense than that on 

 the front. .Xntcnnie red, with a dark arista. Face and cheeks entirely 

 yellowish. Cheek nearly as broad as the vertical diameter of the eye. 

 Proboscis black, not quite twice as long as the head. Thorax with two 

 broad, black, abbreviated, and widely separated stripes. Between these 

 there arc two narrow shining black stripes, extending from the suture to 

 the front pari of the thorax. Scutellum rounded, dark pollinose. The 

 plcur.e are covered with pollen ol a lighter shade than that on the nicso- 

 noium. lirst segment and anterior half of second segment of abdomen 

 black, opaque. The rest of the abdomen is dark red, except the sides of 

 the fourth and fifth segments, which are blackish. A narrow median 

 pollinose stripe extends from the black area of the second segment to the 

 fifth segment. Ail of the segments with more or less gray pollen on their 

 sides. Hairs on thorax and 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 

 tinge, and an open first posterior cell. This species runs in .\dams' table 

 of the species of Zodion to No. 9 (Kans. Univ. Sc. Bull., H, 32), but it is 

 (juite distinct from any of the three species occupying th.it part of the 

 table. Its colour and broad oval abdomen, taken in connection with its 

 si/.e, render it easily recogni/ablc. 



A single specimen, a male, was taken July i ^, lyoy, near the mouth 

 of the Yellow River, Burnett Co., by the Milwaukee i'ubl. Mus. coll. 

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



Anthrax Netiuxkagonensii^ n. sp. — Length, 8-10 mm. Black; first 

 anlennal joint, lower part of fare, and leg.^ reddish. Front yellow 

 tomentose and black pilose. First joint of antenn.T twice as long as 



January, \'t\>^ 



