240 
85. 
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87. 
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Wisconsin Academy of Sciences, Arts, and Letters. 
S. chrysotoxoides Macq. Specimens from Manitowoc, Vilas, 
Milwaukee, Dunn, Winnebago, and Jefferson Counties. 
Late summer and early fall. Five females and four males. 
S. militaris Walk. Price, Vilas, Milwaukee, Washington, 
Dunn, and Jefferson Counties. August and September. 
Condidea Coquilett 
C. lata Coq. Two specimens, Washington and Vilas Counties. 
Eristalis Latreille 
* 
Third segment of abdomen wholly shining. 
Third segment with opaque black markings. 
Eyes with small round black dots, pile not confined to a ver¬ 
tical stripe; arista bare; abdomen entirely shining. 
. aeneus 
Eyes without such black dots. 
Legs black, except hind tarsi, which are distinctly reddish; pile 
of lower part of face black; large hairy species, bumble¬ 
bee-like . flavipes 
Legs unusually dark, but hind tarsi not reddish, pile of face 
quite heavy, whitish or light brownish. 
Basal part of hind tibiae light colored, thorax brightly shining 
. latifrons 
Hind tibiae entirely dark brownish or blackish, thorax usually 
somewhat dull; drone fly. tenax 
Thorax with distinct one or more light dusted or dark cross¬ 
bands ... 
Thorax without such transverse bands . 
Arista bare, pile of lower part of front and frontal triangle 
wholly white . vinetorum 
Arista pubescent at base, pile of front and frontal triangle 
black . transversus 
Thorax entirely shining, or if not entirely shining the third 
segment of the abdomen has a rounded, isolated, anterior 
dorsal opaque spot ..... 
Thorax not entirely shining, no such isolated spot on the third 
segment ..... 
Arista bare, basal two-thirds of wings brown in front, pile 
dusky, third joint of antennae large .... compactus 
Arista pubescent at base, third joint of antennae not unusually 
large . 
Third segment of abdomen with an entire velvety cross-band, 
wings with a distinct brown spot. saxorvt-m 
Third segment without an entire velvety cross-band, wings 
hyaline or nearly so .. 
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