PLATE X. 



1. Megachile (Xaiithosanis) latimana Say. 



2. Carpenter Bee, Xylocopa virginica Drury. 



3. Honey Bee, Apis mcUifcra Linn. 



4. Benihcx spinolce LePel. 



5. Bumblebee, (Bombus) Brcmits peiinsylraincus Degeer 



(female). 



6. Xenoglossa {Peponapis) pruinosa Say. 



7. Halictus lerouxi LePel. 



8. Bumblebee, (Bovibus) B remits tcrricola Kirby (female). 



9. Halictus (Agapostemon) virescens Fabr. 



10. Andrcna solidaginis Robt. 



11. Bumblebee. (Bonibns) Brcmiis impaticns Harr. (female). 



12. Andrcna vicina Sm. 



13. Carpenter Ant, Cauiponotus pcnnsylvanicus Degeer 



(winged form). 



14. Carpenter Ant, Cauiponotus pennsylvanicus Degeer 



(wingless form). 



15. Chrysis (Tetrachrysis) cccrnlans Fabr. 



All natural size. 



