aUl TIIK CANADIAN KNTOMOLO<»IHT. 



another, shows ihe fragmentary nature of the material upon which Mr. 

 Pierce's observations are based. 



The following is a list of these species. The parasites of i, 3. 4, 

 11-13 ^"d 21 are described by Pierce, and 7, 22 and 29 are mentioned 

 in his host list. The others are new. i, 4 and 7 are recorded in Trans. 

 Am. Km. Soc, X\T1I, 52-59, 1891 : 



CARMNVII.I.i:, ILL. 



ANDREMD.f:. 



1. Trachandreua claytonicr. — April i. 



2. " Huda. — March 17. 



3. •* hippotes. — April 10. 



4. Andrena illinoensis. — April 17. 



5. " saiictaria. — April 2, 10, 11, \2, 17. 



6. " vtandibtilaris. — March 21, 29, April 10. 



7 . Ptila n drena eri^^en iie. — April 11. 



8. Parundrena andrenoiifes. — April i, 10, 11, 26, 29. 



9. Pterandrena asteris. — Sept. 8. 



Halictid.*:. 



10. Augoch/ora viridula. — Sept. 17. 



11. Chloralictus spanus. — April 19, May 31, July 15.27, Sfpt 11, 



17, Oct. 20, 25. 



12. Chloralictus versatus. — .\pril ri, Nov. 3. 



13. •' zephyrus. — April 12, July 21, 24, 27. 



14. " nymph (ear urn. — 



Panuroid,*. 



15. Psetidopanurgui labrosus. — July 3. 



16. *' labrosi/ormis. — Aug. 3. 



17. *' rudbfckiie. — Aug. i, 29. 



18. '* solidaginis- .\\\g. 11, 12. 



SPHECin.t:. 



19. Sphex vulgaris. — June 5, Oct. 9. 



20. " piclipftinis.-- 



21. rroterosphex ichneumoneus — Aug 26. 



N'f.spid.i-:. 



22. Polistes vanatus. — Sept. 30, 



ICl^MKNII).*.. 



23. Ancistrocerus tigris. — Sept. 23. 



24. " histriotialis. — .Aug. 5, 27. 

 a J. " clypentus.—^\Ay 24,31. 



