Australian Spccica of the (Jenus Sculia. 107 



a*. The whole disc of the meso- 



nntum jnincturoil C.Jlavidula, Sm. 



h*. Tlio disc of the me.sonotum 



with a Hinooth urea, . , . CJluviilula, st. ronfjener. 



b. Two cubital cells SuhgiMius Dielia. 



rt*. Hlack, with fasciiw of white pubt'scenco 



nt the ap(>x of abdominal se^'ineiits . . C. carinifrons. 

 h'. Abiloincii barulod with yellow. 



rt'. First dorsal ."ejrinent entirely black . C. raduln, Fubr. 

 A\ First dorsid segment marked with 

 yellow. 

 <i*. Second recurrent nervuro com- 

 plete. Abdominal bands broad 



and yellow C./onnosa, Gu<5r. 



b*. Second recurrent ni-rvure incom- 

 plete. Abdominal bands nar- 

 rower and orange C. subopaca. 



A. Fore wintr with one recurrent nervure. 



a. Three closed discoi lal cells Liacos inmlaris, Sm. 



b. Two closed discoidal cells Genus iScolia. 



a^. Three cubital cells Subgenus Triscolia. 



fl'. Third dorsal segment spotted with 

 yellow, sides of the prouotum 



yellow 8. frontalis, Sauss. (typical). 



6'. Third dorsal .segment spotted with 



yellow, pronotum wholly black . S. frontalis, st. ohscuriceps. 



b^. Two cubital cells Subgenus Discolia. 



«*. Entirely black. 



a'. Second ventnd segment tuberculate 



at base S. coinmixta. 



A*. Second ventral .segment not tuber- 

 culate. 



o'. Pubescence black S. soror, Sm. 



b*. Pubescence cinereous -S". pt/f/tiuea, Sauss. 



//. \'ertex marked with orange ^'. vertically, Fabr. 



B. Fore wing with two recurrent nervures . . Genus Canipsomerix. 

 a. Three cubital cells Subirenus Trielis. 



rt'^ Tliree closed discoidal cells C.ferruyineu, Fabr. 



b'. Two closed discoidal cells, 

 a'. Wings dark fusco-violaceous. 



a*. Entirely black C. anthracina, Burm. 



6*. Third abdominal segment spotted 



with yellow .... C. mUhracina, var. consanguinea, Sauss. 

 l^. Wings hyaline or flavo-hvaline. Ab- 

 domen banded with yellow. 

 a*. Thora.x immaculate, bauds of abdo- 

 men orange C, zonata, Sm. 



b*. Thorax usually spotted on scutel- 

 lum at least, bands of abdomen 

 pale yellow. 

 t^. Median segment marked with 



yellow C.Jtavidula, Sm. 



6'. Median segment entirely black . C. gilen. 



h. Two cubital cells Subgenus Dielis. 



(|3. Three basal abdominal segments banded 

 narrowly with vellow. 



lo 



* 



