TABLE OF HYMENOPTERA. 253 



Fossores (Diggers), Sand and Wood-wasps. 



Fore-wings not folded. 

 9 and $ always winged. 

 $ no spikes at end of abdomen. 

 and $ no nodes on base of abdomen. 



Family 5. Scoliidse. 



6. Sapygidse. 



7. Pompilidae. 



8. Sphegidffi. 



9. Larridte. 



10. Nyssonidae. 



11. Crabronidae. 



12. Philanthidae. 



Diploptera (Doubled-wings), True Wasps. 

 Fore-wings folded. 



Family 13. Eumenidse (Solitary Wasps). 



14. Vespidae (Social Wasps). 

 SUBSECTION II ANTHOPHILA (Flower Lovers), 



Bees. 

 Hind leg. Basal joint of tarsus dilated. 



I. Short-tongue d Bees. 



Tongue shorter than the mentum. 

 Labial palpi of four nearly equal joints. 

 Fam. 1. Andrenidse. 



* Tongue broad, more or less cleft. 



Sub-jam. 1. Obtusilingues. 

 * * Tongue sharp-pointed. 

 Sub-fam. 2. Acutilingues. 



II. Long-tongued Bees. 



Tongue longer than the mentum. 

 Labial palpi of four joints, of which the basal or 

 the second exceeds the two terminal in length. 



