ENTOMOLOGICAL CABINET, 



PERLA LUTEA. Latreitte. Stephens. 



Black : head yellow, broad, flat and inclined, with 

 a brownish ring in the centre : ocelli three in a 

 triangle, but placed close to each other : eyes hid 

 beneath the broadness of the head : antenna as long 

 as the body, filiform and brown : thorax flat and 

 nearly square — the margins and abroad yellow streak 

 down the centre of a dirty yellow : wings consider- 

 ably longer than the body, and when the insect is at 

 rest, incumbent and placed lengthways, covering the 

 body : the upper icings with a faint tinge of yellow, 

 the nervures nearly brown and reticulated ; the 

 lower wings slightly nervured, but not reticulated by 

 transverse nerves ; all the wings irredescent, but the 

 lower ones more so than the upper : legs moderately 

 long and of a pale brown : body flat and depressed, 

 black, with two setae of the length of the body. 



Expansion of the wings 1 inch ; length of the 

 body 4 lines. 



Inhabits trees near waters. 



The perfect insects of this family, the Perlidae, are 

 very fond of settling on posts, rails, and other wood 

 work, for the want of which they will settle in trees, 

 bushes, or grass, near the water : they form a good 

 bait to the angler. At the period of their appear- 

 ance, generally May and June, the larva? are aquatic ; 

 but we know very little of their habits ; wc suspect 

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