276 



INSECTS AT HOIME. 



Dra<>-on-flies, known to entomologists as Cordvlpfja^ter annu- 

 lafiis. In this genus the ocelli are set in a row, the eyes 

 toward each other above ; the lower or anal angles of the lever 

 wings arc boldly angnlated, and the abdomen is club-shaped. 

 Reference is made to tliis peculiarity in the generic name 

 Cordulegaster, which is composed of two Greek words, the 

 former signifying a club, and the other the belly. The insect 



XXYII. 



1. Phlasothrips coriacea. 2. Cordulegaster annulatus. 3. Raphidia ophiopsis. i- Chrysopa 

 Tiilgaris. i). O.sniyhis tUrysops. n. Eggs ot Chrysopa. 



attains a very great size, being sometimes even larger than 

 tlie illiir-tration, and is very liandsome in point of colour, tlie 

 whole body and thorax being marked with bold bands and 

 stripes of rich golden-yellow. A specimen in my collection 

 has retained the yellow marks of the thorax in a wonderfully 

 perfect manner, but those of the abdomen have almost wholly 

 perished. 



