196 Mr. R. MacLachlan's Monograph of 



It is unnecessary to give detailed characters for each 

 genus, as they would be little more than a repetition of 

 those noticed in the description of the family. 



Genus I. Cheysopa, Leach. 



The eleven native species of Chrysopa, as here re- 

 stricted, may be tabulated thus : — 



A. Second joint of the antennae concolorous with the 

 basal. 

 a. Costal margin of anterior wings sensibly excised. 



C. Jlava. 

 a. a. Costal margin not sensibly excised. 



6. The partition-veinlet of the third cubital 



cellule ends before the insertion of the 



transverse veinlet above it (PI. XI. fig. 3, 



indicated at e. c.) . . . . C. vulgaris. 



h. h. The partition-veinlet ends after the insertion 



of the above-mentioned veinlet (PL XI. 



fig. 4, indicated at c c) . 



c. A black spot between the basal joints of 



the antennas. 



d. A black dot at the extreme base of 

 the costa in anterior wings. 

 e. Abdomen wholly green. 



C. aspersa. 

 e. e. Abdomen black beneath. 



C. ventralis. 

 d. d. No black dot at base of costa. 



G. septempunctata. 

 c. c. No black spot between the basal joints 

 of the antennae. 

 f. Palpi annulated with blackish. 



C. Jlavifrons. 

 f.f. Palpi unannulated. 



g. Expanse of wings about 21 lines. 



C. vittata. 

 g. g. Expanse of wings about 14 lines. 



C. alba, 

 A. A. Second joint of the antennaa marked with black or 

 fuscous. 

 a. Colour full green. 



