EXPLANATION OF PLATE XLVI 



(The figures in this plate are taken by the kind permission of Mr. 

 William Beutenmuller from the plates illustrating his Monograph of the 

 Sesiidae of North America.) 



1. Melittia satyriniformis Hubner, 9- 



2. Melittia sn~owi Henry Edwards, (J 1 . 



3. Melittia grandis Strecker, 9 . 



4. Gaza solituda Henry Edwards, c?- 



5. Gaea emphytifonnis Walker, 9 



6. Alcathoe caudata Harris, J*. 



7. Sannina uroceriforinis Walker, (J*. 



8. ALgeria apiformis Linnaeus, 9 



9. Bembecia marginata Harris, 9 



10. Memythrus simulans Grote, 9 



11. Memythrus polistijormis Harris, $ . 



12. Memythrus polistiformis Harris, 9- 



13. Memythrus admirandus Henry Edwards, c?. 



14. Memythrus tricinctus Harris, 9 



15. Palmia prcecedens Henry Edwards, 9 



1 6. Parharmonia pini Kellicott, tf. 



17. Podosesia syringa; Harris, 9- 



1 8. Sanninoidea exitiosa Say. cT. 



19. Sanninoidea exitiosa Say, 9 



20. Vespamima sequoia Henry Edwards, $ . 



21. Synanthedon bassiformis Walker, cJ 1 . 



22. Synanthedon rileyana Henry Edwards, (J 1 . 



23. Synanthedon rileyana Henry Edwards, 9 



24. Synanthedon pictipes Grote & Robinson, 9 



25. Synanthedon pyri Harris, 9 



26. Synanthedon tipuliformis Clerck, 9 



27. Synanthedon albicornis Henry Edwards, 9 



28. Synanthedon acerni Clemens, 9 



29. Synanthedon scitula Harris, 9 . 



30. Synanthedon neglecta Henry Edwards, 9 



31. Synanthedon rutilans Henry -Ed wards, (J 1 . 



32. Synanthedon rutilans Henry Edwards, 9 



33. Synanthedon aureopurpurea Henry Edwards, (J 1 . 



34. Euhagena nebraskce Henry Edwards, $. 



35. Paranthrene heucherce Henry Edwards, <?. 



36. Calasesia coccinea Beutenmuller, 9 



37. Albuna pyrajnidalis , var. montana Henry Edwards, ^. 



