24G The Ohio Journal of Science [Vol. XIX, No. 4, 



Nusa fulvicauda Say. 



Laphria fulvicauda Say, Thomas. American Entomology 1, 1824, p. 12, PI. VI 

 (Cote sans Dessein, Missouri River). The Complete Writings of Thomas Say on 

 the Entomology of North America, 1, 1859, p. 12. 



Laphria pyrrhacra Wiedemann, C. R. W. Auszer-europaische zweiflugelige 

 Insekten 1, 1828, pp. 517-518. (Brazil, Savannah and Missouri). 



A synonym at least so far as United States specimens are concerned. 



Black with face, occiput, cox^ and pleurae more or less silvery 

 pruinose, and following pruinose markings on disk of thorax; a bluish 

 gray median percurrent vitta, and two lateral irregular vittce expanded 

 externally at 3 points and connected with silvery pruinose patches (the 

 limules) along sutural areas. Mystax black, face with silvery pile 

 and longer decumbent hair; beard, coxal and pleural hair grayish white. 

 Short sparse hair of upper stuf ace of thorax black ; bristles of thorax and 

 scutellrmi black. Pile of abdomen pale, longer at sides of segments, 

 forming conspicuous tufts on segments 2-6. Segment 2 with two 

 strong black bristles on each side, segments 8-5 with one. A spot 

 involving part of segment 6, all of 7 and part of hypopygium, yellowish 

 to reddish with concolorous hair. Hair of legs gray and black, bristles 

 black; wings fumose, clearer within cells and toward base. First 

 posterior cell closed in both wings of three specimens, in one wing of 

 one specimen and open in both wings of nine specimens. Hypopygium 

 black and red, forceps and claspers as in Figure 2. Length, 15-18 mm. 



Specimens examined: Toronto, Ont., Oct. 7, 1887, Wm- 

 Brodie, (U. S. N. M.); Linglestown, Pa., July 16, 1913, W. S- 

 Fisher, (U. S. N. M.) Aug. 4, 1912; Champlain (Walton); 

 Harrisburg, Pa., June 13, 1912, Champlain (Walton); Great 

 Falls, Va., July 12, 19, 1916, J. N. Knull, (U. S. N. M.) ; Cabin 

 John Bridge, Md., July 25, 1913, R. C. Shannon, (U. S. N. M.); 

 Washington, D. C, Aug. 22, 1912, F. Knab, (U. S. N. M.); 

 Wauseon, Ohio, (K. U.) ; N. C, Fla., (U. S. N. M.); Browns- 

 ville, Texas, June, F. H. Snow, (K. U.); Los Angeles Co., Calif., 

 July, (U. S. N. M.), Locality correct? 



A (^ specimen labelled Col. [orado]. Snow, (K. U.) has seg- 

 ments 3-7 involved in the abdominal spot ; it is made the type of 

 variety lutea, new variety. The Brownsville specimen approaches 

 this form. 



Nusa sicaria new species. 



Ground color reddish brown, appearing lilac-brown where pruinose, 

 with black markings as follows: basal 2 joints of antennae, beak and 

 region of its insertion, legs except basal two-thirds of tibiae, 3 large 

 patches on each side of thoracic disk, posterior part of scutellum and 

 thorax beneath it, and more or less of sides of abdominal segments, 

 being most extensive on 5 and 6. Face, except prominence, pleurae, 



