Manchester Memoirs, Vol. xliii. ( 1 899), No. 3. 155 



segments banded with black ; but it differs in having the 

 central area on the base of the median segment open at 

 the apex; the lateral area shorter and broader at the apex; 

 the petiole longer compared with the second segment; 

 the wings not infuscated at the apex ; the areolet slightly- 

 larger and receiving the recurrent nervure in the middle. 



Antennge brownish, darker towards the apex; the 

 scape yellowish beneath, and thickly covered with long, 

 fuscous hair; the clypeus smooth ; the apex slightly waved ; 

 mandibular teeth black. Mesonotum brownish; the sides 

 and two lines down the middle, yellow ; the scutellar 

 depression and a semicircular mark at its base, and the 

 sides at the hinder wings, black. Scutellum not much 

 raised ; the sides above keeled ; the base yellow, rufous in 

 the middle ; the apex black. Postscutellum rounded and 

 narrowed at the base; the bordering keels stout, oblique. 

 Median segment black at the base; the lateral arese entirely 

 black ; the spiracular are black in front of the spiracles. 

 The apex of the propleurae, the base of the mesopleurae 

 on the lower side, a band under the tubercles, an oblique 

 one across the middle reaching to the apex of the middle 

 coxae, and a mark in front of it over the coxae, black. The 

 middle area on the base of the mesonotum with straight 

 sides and open at the apex ; the apex straight, oblique. 

 The four anterior femora are slightly, the hinder almost 

 entirely, fulvous ; the hinder coxae at the base on the outer 

 side black, the hinder tarsi dark fuscous. Costa and 

 stigma dark rufo- testaceous ; the nervures black ; the 

 areolet oblique, receiving the recurrent nervure, if any- 

 thing, before the middle. Abdomen : the sides of the petiole 

 at the middle, a broad band shortly beyond the middle, a 

 narrower band on the second, third, fourth and fifth seg- 

 ments in the middle, and the sixth and seventh segments 

 at the base, black ; the furrow on the petiole is wide and 



