3.914 



ENTOMOLOGICAL SOCIETY. 



75 



List of Abbreviations. 



ra 1-10 . . Abdominal segments one to ten. 



^c Anal cercus. 



an Annulets. 



ap Antecoxal piece of the mandible. 



apl .... Anal proleg. 



at Antenna. 



as Antennal socket. 



ran Anus. 



c Clypeal suture. 



-cl First clypeus. 



.■c2 Second clypeus. 



ch Caudal horn. 



cr Cardo. 



d Dorsal shield. 



■e Epicranial suture. 



f Front. 



fc Fronto-clypeajl suture. 



g Gena. 



gd Gland. 



mx Maxillary palpus. 



o Ocellus. 



oc Occiput. 



of Occipital foramen. 



ol Ocularum. 



p Pedal area. 



pa Postspiracular area. 



pf Palpif er. 



pg Pleural gland. 



ph Prothoracic gland. 



pi Proleg. 



ps Prothoracic spiracle. 



pt Postgena. 



s Spiracle. 



sa Spiracular area. 



sb Submentum. 



sp Spinneret. 



st Stipes. 



tl-3 Thoracic segments one to three. 



ta Anterior arm of the tentorium. 



td Dorsal arm of the tentorium. 



tl Thoracic leg. 



tp Posterior arm of the tentorium. 



tn Tentorium. 



tr Trochantin of the mandible. 



V Vertex. 



vf Vertical furrow. 



vg Ventral gland. 



Explanation of Plate L 



1. Pamphilius dentatus. Lateral view of entire larva. 



2. Paviphilius dentatus. Cephalic aspect of head. 



3. Cimbex americana. Cephalic aspect of head. 



4. Pamphilius dentatus. Caudal aspect of head. 



5. Cimbex americana. Caudal aspect of head. 



6. Cimbex americana. Lateral view of third abdominal segment. 



7. Hylotoma sp. Lateral view of third abdominal segment. 



8. Periclista sp. Lateral view of third abdominal segment. 



9. Pamphilius dentatus. Ventral view of head. 

 ^0. Tremex columba. Head and prothorax. 



11. Tremex columba. Abdominal segments nine and ten. 



12. Macremphytus varians. Lateral view of third abdominal segment. 



13. Pamphilius dentatus. Maxillae and labium. 



14. Trichiosoma triangulum. Antenna. 



15. Hylotoma sp. Antenna. 



16. Caliroa limacina. Antenna. 



17. Cephus pygmaeus. Antenna. 



18. Pristiphora bivittata. Antenna. 



19. Lophyrus sp. Antenna. 



20. Croesus latitarsus. Ventral view, showing extruded ventral gland. 



21. Croesus latitarsus. Laternal view of ventral gland, enlarged. 



22. Croesus latitarsus. Ventral view, showing mouth of ventral gland. 



23. Lygaeonematus erichsonii. Lateral view of ventral gland and proleg, enlarged. 



24. Lygaeonematus erichsonii. Ventral view, showing extruded ventral gland. 



2.5. Macremphytus varians. Ventral view of an abdominal segment where gland Is 



wanting. 

 56. Caliroa limacina. Ventral view of head and thorax, showing prothoracic glands. 

 21. Pteronus ribesii. Lateral view of entire larva. 



