42 Clarence E. Mickel 
3. Posterior face of propodeum sculptured; reticulate; stigma entirely 
dark, without a proximal whitish spot .................5. unicincta 
Posterior face of: propodeum smooth; stigma with a proximal whitish 
SPOES es oe erctd kore ame Seca) ond it Se oreTen a ree re ele ee ee dawsont 
4. All the tarsi yellowish; last joint of flagellum entirely black; flagellar 
jomts-4=6 iprominent, beneathy aces ek seerehie oniiee i reinlners mellipes 
All the tarsi dark, blackish; last joint of flagellum reddish; none of 
the flagellar joints prominent beneath ................. granulosus 
Mimesa granulosa (Fox). 
1898. Psen granulosus Fox, Trans. Amer. Ent. Soc., XXV, p. 15. 
1908. Mimesa granulosa H. S. Smith, Univ. Nese. Stupies, VIII, 
Dp. 380. 
Males 13: Glen (11) and Harrison (2) ; August 9 to 21; visits 
flowers of Helianthus sp. 
’ The eleven specimens taken at Glen were described by H. S. 
Smith as the female of this species. The specimens are all males, 
however, and the female is therefore still undescribed. 
Mimesa proxima Cresson. 
1865. Mimesa proxima Cresson, Proc. Ent. Soc. Phil., IV, p. 488. 
1898. Psen proximus Fox, Trans. Amer. Ent. Soc., XXV, p. 16. 
Females 12: Glen (8), Harrison (3) and Monroe Canyon (1) ; 
August 4 to 21. 
Mimesa unicincta Cresson. 
1865. Mimesa unicincta Cresson, Proc. Ent. Soc. Phil., 1V, p. 488. 
1898. Psen unicincta Fox, Trans. Amer. Ent. Soc., XXV, p. 15. 
Males 2, females 3: Glen (4) and Sioux county (1); August. 
14 and 17. 
Mimesa dawsoni Mickel. 
1916. Mimesa dawsoni Mickel, Trans. Amer. Ent. Soc., XLII, p. 420. 
Males 1: Harrison, August 12, 1912 (R. W. Dawson). 
Mimesa nebrascensis H. S. Smith. 
1908. Mimesa nebrascensis H. S. Smith, Univ. Nesr. Stupres, VIII, 
p. 390. 
Females 1: Lincoln. 
Mimesa pauper Packard. 
1867. Mimesa pauper Packard, Proc. Ent. Soc. Phil., VI, p. 409. 
1898. Psen pauper Fox, Trans. Amer. Ent. Soc., XXV, p. 14. 
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