176 ENTOMOLOGICAL NOTES, 



Sp. 1. Pter. regalis. Fem. Fusca; caputs prothoraXf meso- 

 thoraxet metathorax lined communi londitudinali flatCi signata; 

 abdominis segmenta postice fiava ; alls hyalinis fusco tinctis ; 

 pedibus fuscis genubus concoloribus. (Corp. long. 1 unc. ; 

 alarum dilat. 3.35 lin.) 



Brown : head transversely wrinkled between the eyes, and having a 

 yellow mark on the crown, extending forwards towards the clypeus: 

 prothorax with impressed lines, and a deep fovea on each side, and 

 having a yellow line passing longitudinally down its centre ; meso- 

 thorax with deeply impressed indentations, and distinct yellow mark- 

 ings along its centre and on each side ; metathorax anteriorly with a 

 transverse yellow spot, and posteriorly with an arrow-head point- 

 ing forwards /|\ of the same colour ; the margins of the abdominal 

 segments are also yellow : the fore wings are hyaline, but have 

 throughout a dingy tinge of brown, which tinge is darker along 

 the subcostal nervure, and terminating in a still darker spot 

 beyond the middle. 



Inhabits Canada. In the cabinet of the Entomological 

 Club. 



Sp. 2. Pter. biloba. Fem. Fztsca; caput, prothorax et 

 mesothorax concoloria ; metathorax linea longitudinali Jlava ; 

 alis hyalinis fusco-variegatis ; pedibus fuscis, genubus con- 

 coloribus; protelum subtus lobis duobus conicis auctum. 

 (Corp. long. .9 unc. ; alar, dilat. 2.9 unc.) 



Brown, the head not wrinkled between the eyes, and without any 

 yellow markings ; prothorax with variously impressed lines, 

 having also a faint yellow spot on its anterior and posterior mar- 

 gins, and these are connected by a still fainter longitudinal line : 

 mesothorax shining, without indentation or coloured markings ; 

 metathorax shining, with a longitudinal yellow line ; abdomen 

 uniformly brown ; base of the caudal setce yellow ; beneath the 

 eleventh segment is furnished with two flat obtuse processes, 

 which are parallel with the abdomen, and point toward its ex- 

 tremity. The wings are liy aline and glossy, with a slight tint of 

 brown, with three very conspicuous subcostal brown spots on the 

 fore and one on the hind wings ; the costal and subcostal nervures 

 have a yellowish tint, and the other nervures are dark brown ; 

 the legs are dark brown, and the knees of the same colour. 



Inhabits the United States of North America. Taken by 

 Mr. Foster at Trenton Falls, and presented to the cabinet of 

 the Entomological Club. 



