VA Till-: r.vxAinAN kxtomoukmkt. 



? . — Somewhat smaller than the male, but of the same general 

 appearanre. Clypeiis and sides efface of the same bright )ellou' colour 

 as the markings of other parts of tlie body. F"ace marks narrowing above, 

 and extending up along the anterior orbits to a greater distance than in 

 the male. Mandibles entirely black. .\ line behind the eye above, a 

 spot on each side of the thorax just above the anterior half of the tegul.-e, 

 and two spots on the scutellum yellow. Scutcllum not bilobed. Tibiji* 

 with a yellow spot on the outer surface near the base. Inner surfaces of 

 metatarsi with fulvous pubescence. Yellow continuous bands on abdo- 

 minal sef;menis i to 5, not reaching the sides of the segments, narrow in 

 the middle, broadened laterally, slightly emarginate on the outer borders 

 of bands 3 to 5. Hand on segment i interrupted in one of the specimens. 

 Ventral scopa light fulvous. 



Types : August 3, 1909, Indian village at the juncture of the Lower 

 Tamarack and St. Ooix Rivers, Pine Co., Minnesota. On the flowers of 

 Riidbeckia laciniata. (Nos. 31757 and 3 1758.) 



I'aratypes : Three ? 's taken between July 28 and .\ugust 2 on the 

 Wisconsin side of the St. Ooix River, near the mouth of the Yellow River 

 in liurnett Co. These specimens were collected from the flowers of 

 Rtnlbfckia lurtct. 'I'his species is very similar to Protiinthidium 

 Cockerelli Titus, occurring in Colorado. 



Ifaliilus I.atr. 

 Ilalicliis Vierecki Cra'vf. 



//. rir^/YtX'/ Oawford, Hnt. News, XV, 79. 9- 



^ . — Length about 4 mm. Head and mcsonotum dull metallic-green, 

 l>leurse of the same brassy colour as head and thorax in the female. 

 Abdomen more reddish than in the female, with blackish cloud-^, especially 

 on the last four segments. Pubescence whitish throughout, notably on 

 the face (golden yellow in the female). Antennae long and slender, scape 

 and first joint of llagellum dark brown, the remaining joints testaceous on 

 their lower surfaces, brown above. Legs darker than in the female. 



One rj (No. 29435), mouth of Yellow River, Hurnett Co., Wis., 

 taken between July 28 and 31, 1909, on the flowers of Ceanothus Ameri 

 canus. Nineteen ? s were obtained in the same locality during the same 

 period, as also at Randall, Hurnett Co., Wis., from Aug. 5 to 7, 1909, from 

 the flowers of Ceanothui Ameriainus and SoliJago ^i^ramiiii/olia. They 

 were collected by the Milw. Publ. Mus. coll. cxped., and are all in the 

 collection of the Museum. 



