254 



Sphrerophthalma vesta Cress. (Melander, det.). H.4, Au. 20. 

 No other Illinois record. 



Sphmrophthahna canella Blake (rugulosa Fox) (Melander, det.). 

 Mol., S. 8. No other Illinois record. 



Sphmrophthalma chlamydata Mel. H.l, 2, 3, 4, 6, H.m., Mer. ; 

 Je. 23, Au. 12, 14, 15, 18, 29, S. 5. (80) H.3 (Melander, 

 '03, chlamydata). The leading species of velvet ant in the 

 Illinois-valley sand area. It will be noted that with the ex- 

 ception of a single Methoca bicolor no MutillidcB whatever 

 were seen during the early June visit to "the Illinois valley 

 region. (Note 18) 



Sphmrophthalma agenor Fox (Melander, det.). H.2, 4, Mol.; Au. 

 18, 20, S. 8. (7) 111. 



Sphmrophthalma macra Cress. H.2, Au. 18. 111. (Note 19) 



Timulla hexagona Say. H.2, 6; Au. 18, S. 5. (3 males) 111. 



Timulla dubitata Smith. H.l, 3 (Melander, '03), 4; Au. 20, 22. 

 (4 females) 111. Probably female of hexagona. 



Methoca bicolor Say (Ashmead, det.). H.6, Je. 9; the only 

 mutillid taken in early 'June. Lake Co. 111., in gravel-pit 

 (Melander, '03). 



Tiphia punctata Rob. H.2, 3; Au. 13, 14, 18. (9) 111. 



Dielis plumipes Drury. H 2, 4, 6, Pekin ; Je. 6, 8, Au. 15. (54 

 males, 2 females) Abundant on dandelion and sweet clover 

 flowers along roadsides at Forest City and the Devil's Hole in 

 June. N. 111. (Bolter Coll.) ; Rock Island, Savanna, Fox L. ; 

 July 26, 30. Carlinville (Rob.). 



Trielis octomaculata Say. H.3, Au. 14. The thorax of this exam- 

 ple is black except for three very small yellowish dots on the 

 collar. No other Illinois record. 



Discolia bicincta Fabr. H.5, Au. 17. 111. 



Plesia namea Fabr. {Myzine) (Ashmead, det.). H.2, Au. 18. (2) 

 Common on flowers of Mesadeniaatviplici folia. 111. 



Plesia interrupta Say. H.2, 3, H.m., Teheran; Au. 12, 13, 14, 17, 

 18, S. 25. (10) 111. 



Plesia, sp. (Ashmead, det.). H.2, H.m. ; July 1, Au. 18, S. 25. (4) 



Plesia obscura Fabr. (Ashmead, det.). H.2, 3, 6, H.m.; July 29, 

 Au. 12, 14, S. 10. (5) 



Hedychrum obsoletum Say. H.l, 2; Au. 12, 22. (2) 111. 



Ancistrocerus campestris Sauss. H.4, Au. 20. 111. 



Odynerus pedestris Sauss. H.2, Au. 18. 111. 



