530 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



NOMENCLATURE OF WING PARTS IN THE DRAWING OF 



SERPHUS CAUDATUS. 



■ QLD SYSTEM COMSTOCK-NEEDHAM SYSTEM 



Veins ^^»"^ 



Basal Mandm-cu 



rubital . • • Media and at wing margin Km 



+ M, 



Transverse Cubital . 

 Recurrent . • • • 



Cells Cells 



First submarginal . 



Fused cells beyond ist sub- 

 marginal .... Ra+*+» 



Marginal (reduced to a minute 

 area beyond the stigma) . 2d Ri+R» 



Key to Families. 



1. Trochanters with one joint; antennae with fourteen joints; 



mandibles without teeth; stigma very narrow, long 



PELECINID^ p. 576 

 Trochanters with two joints, or stigma very short and broad 2 



2. Antennae inserted into middle of face 3 



Antennae inserted below middle of face at junction of clyp- 



eus with face S 



3. Wings present • 4 



Wings wanting lO 



4. Front wings with a more or less distinct stigma 12 



Front wings never with a more or less distinct stigma 11 



5. Wings present ° 



Wings wanting o 



6. Abdomen with sides acute or margined 7 



Abdomen with sides rounded CERAPHRONIDyE p. 557 



7. Labial palpi with one joint PLATYGASTRID^ p. 531 



Labial palpi with two or more joints SCELIONID^ p. S4i 



8. Abdomen with sides acute or margined 9 



Abdomen with sides rounded; antennae in female with ten 



or eleven joints, in male with eleven joints 



CERAPHRONID^ p. 557 



9. Antennae with ten, eight, or nine joints; no marginal or 



stigma! vein PLATYGASTRID^ p. 53i 



Antennae with twelve, eleven, or seven joints (rarely with 

 ten joints, in which case either the wings bear a large 

 stigma and the entire abdomen is longitudinally striated, 



or the marginal and stigmal veins are present) 



SCELIONID^ p. 541 

 10. Labial palpi with two joints DIAPRIID^ p. S6i 



