Manchester Memoirs, Vol. xliii. (1899), No. 3. 107 



its sides slightly depressed and bordered behind by a 

 stout, curved keel. Pleurae smooth andshining, of a paler, 

 more yellowish, tint than the mesonotum ; the furrow at 

 the base of the metapleurae is wide and deep ; the keels 

 down the middle _ bordering the apex. and the lower side 

 stout, clearly defined throughout. Legs rufous ; the coxse, 

 trochanters, and hinder tibiae pale lemon-yellow. Wings 

 clear hyaline ; the costa and stigma yellowish ; the 

 nervures black at the base, lighter, more fuscous, in tint 

 towards the apex ; the areolet oblique, narrow, longish, 

 shortly, but distinctly, appendiculated at the top ; the 

 lower half of the second transverse cubital nervure is 

 largely bullated at the apex ; the recurrent nervure is 

 interstitial with it ; the part of the cubital nervure border- 

 ing it on the lower side has a sharp, oblique slope from 

 the base to the apex ; the recurrent nervure is largely 

 bullated at the top and, to a less extent, below the middle, 

 the transverse median nervure is interstitial ; there is no 

 " stump " on the cubital before the areolet. Abdomen 

 slightly infuscated towards the apex, 



B. TJie transverse basal nervure not interstitial ; the 

 areolet not appendiculate at the top ; the keel on the apical 

 third of the median segment short ; the segmetit closely and 

 strongly transversely striated. 



Body ferruginous, yellowish only round the eyes ; 

 the median segment closely punctured, only obscurely 

 striated near the apex in the middle ; antennae fuscous. 



P. ferrugineus. 



Body yellowish or testaceous ; the median segment 

 distinctly transversely striated ; antennae rufous or 

 testaceous. P. longitarsis. 



Paniscus ferrugineus, sp. nov. 

 Ferrugineus, orbitis oculorum flavis ; flagello anten- 



