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 

 Sesiidse of North America.) 



i. Melittia satyriniformis Hiibner, 9. 



2. Melittia snowi Henry Edwards, <$ . 



3. Melittia grandis Strecker, 9 



4. Gcra solituda Henry Edwards, c? 



5. Gcea emphytiformis Walker, 9 



6. Alcathoe caudata Harris, (J 1 . 



7. Sannina uroceriformis Walker, tf . 



8. Algeria a pi for mis Linnaeus, 9 



9. Bembecia marginata Harris, 9 



10. Memythrus simulans Grote, 9 



11. Memythrus polistiformis Harris, (J 1 . 



12. Memythrus polistiformis Harris, 9. 



13. Memythrus admirandus Henry Edwards, J 1 . 



14. Memythrus tricinctus Harris, 9 . 



15. Palmia prcecedens Henry Edwards, 9. 



16. Parharmonia pini Kellicott, cJ 1 . 



17. Podosesia syringes Harris, 9- 



18. Sanninoidea exitiosa Say, (J 1 . 



19. Sanninoidea exitiosa Say, 9 



20. Vespamima sequoiae Henry Edwards, c?. 



21. Synanthedon bassiformis Walker, J 1 . 



22. Synanthedon rileyana Henry Edwards, cT. 



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 Edwards, J*. 



32. Synanthedon rutilans Henry Edwards, 9 . 



33. Synanthedon aureopurpurea Henry Edwards, ci\ 



34. Euhagena nebraskce Henry Edwards, J 1 . 



35. Paranthrene heuchera; Henry Edwards, J 1 . 



36. Calasesia coccinea Beutenmuller, 9 



37. Albuna pyramidalis, var. montana Henry Edwards, tf. 



