SYNOPSIS OF THE BRITISH PLANIPENNES. 21 



b. Ocelli wanting, 

 f Antennae filiform. 

 Genus Chrysopa, Leach. 

 Larva aphidivorous ; cocoon of the form of a barrel, 

 of thick spun silk. 



* Upper lip rounded in front. 



§ The partition vein of the third cubital cell does not reach 



the adjoining cell. 



2. Chrysopa vulgaris, Schn. Mon. 68, 2 ; Walk. ; C. 

 perla, Wesm. ; C. cornea, St. 103, 7 ; C. ; C. 

 alba, St. 104, 9; C. ; C. affirm, St. 104, 11; C. 

 Exp. 12 lin. 



Sap-green; thorax and abdomen with a yellow line 

 down the middle ; face on each side with three 

 reddish streaks ; wings narrow and pointed ; the 

 veins in the third cubital cell easily distinguishes this 

 species from all others. The specimens which come 

 forth in autumn or winter are more or less reddish. 

 Habitat England, Scotland. Common in June. 

 §§ The partition vein of the third cubital cell reaches to the 

 adjoining cell. 

 H The second joint of the antennas unspotted. 



3. C. flava, Scopoli ; C. vittata, Schn. Mon. 65, 1 ; 



Walk. ; C. subfalcata, St. 105, 13; C. 

 Exp. 16 lin. 

 Sap-green ; thorax and abdomen with a yellow line 



down the middle ; the first joint of the antennas 



shorter than the head ; the costa of the wings strongly 



excised. 

 Habitat London, in June, sparingly. 



4. C. vittata, Wesmael ; C. Integra, Hag. ; C. perla, 



St. 105, 12; C. 

 Exp. 21 lin. 



