APPENDIX TO CHAPTER II 43 



* * 



Ci. Anterior wings folded once lengthwise ; 

 antennce usually clearly bent at an 

 angle Vespidw 



(Wasps) 



c 2 . Anterior wings not folded lengthwise. 

 di. Abdomen appended or peduncu- 

 late, oval or broadest anteriorly, 

 gradually tapering posteriorly . 



Superfamily Fossoria 



(Digger and. Mud Wasps) 

 d 2 - Abdominal stalk formed of one or 

 two knots or scale-like rings ; an- 

 tennae flagellum-like . . . Formic-idai 



(Ants) 



2 . Trochanter of two segments ; female with ovi- 

 positor. 



61. Abdomen not sessile, but appended or pedun- 

 culate ; anterior rings without lancet-cells; 

 hind wings with two root-cells . 



Superfamily Entomophaga 



(Parasitic and Gall-producing Ilymenoptera) 



62= Abdomen sessile (or continuous with thorax) ; 

 anterior wing with lancet-cell ; hinder wing 

 with three root-cells . . Superfamily Phytophaga 



^Plant-eating Hymenoptera) 



