LOCUSTID^. 429 



12. Aprion pustulatum. 



Foem. Testacemn ; vertex nntice longi-conicus, vix carinatus; labium 

 atbidum; prothorax subliliter tubercu/alus,vix carinatus; oviductus 

 abdumine longior ; pedes breviusciili, sal validi; alee anticce lanceo- 

 latte, nigro quadrimaculatcc ; alee posticce diaphancc, longiores. 



Female. Testaceous, fusiform. Head elongate ; vertex elongate- 

 conical between the antennae, with a very slight keel, this cone narrower 

 and shorter than the first joint of the antennae ; a slight protuberance with 

 a flat disk on the front ; lahrum whitish. Eyes elliptical, prominent. 

 Prothorax minutely tubercnlate, with a very indistinct longitudinal keel 

 and an impressed transverse line which is furcate on each side; fore border 

 and sides rounded, the latter forming elongated lobes ; hind border slightly 

 irregular. Oviduct black towards the tip, rather longer than the abdomen. 

 Legs rather short and stout ; femora with two rows of very minute spines ; 

 hind femora incrassated, about one-third of the length of the fore wings; 

 tibiae also with two rows which are still more rudimeniary. Fore wings 

 lanceolate, very minutely reticulated, very little shorter than the hind 

 wings; two black spots by the externo-medial vein before the middle and 

 two more near the interior border beyond the middle; areolets mostly irre- 

 gular, only subdivided by the minute reticulation ; scapular vein connected 

 with the externo-medial. Hind wings pellucid ; veins pale testaceous. 

 Length of the body 12 lines ; expansion of the fore wings 46 lines. 



The unarmed legs distinguish it from A. productum and the shorter 

 head from A. porrectum. 



a, Ceylon. From Dr. Thwaites' collection. 



13. Aprion ? albisellatum, 



Mas. Testaceum,robustum, fusco punctalum ; caput longiusculum, carina 

 sulcata apice rotundala anlennarum arliculu ]o valde angustiore ; 

 antennce robustce ; prothorax albus, sellatus, postice subcarinatus, 

 margine antico rotundnto, margine postico angulato elevato ; cerci 

 robusti, lanceolati ; styli spatulati ; pedes albidi, breves, crassi, 

 spinosuli, fusco punctati, femoribus libiisque posticis uniseriatim 

 fortiter spinosis. 



Male. Testaceous, stout, with brown punctures. Head elongate; 

 keel lanceolate, furrowed, rounded at the tip, much narrower than the first 

 joint of the antennae ; front conical between the sockets of the antennae. 

 Eyes brown, shoit-ellipiical, prominent. Antennse stout. Prothorax 

 white, saddle-shaped, slightly keeled iu the hind part and with an indistinct 

 impressed line in the fore part ; two impressed curves on each side ; two 

 trai>sverse impressed abbreviated lines, the hind one more distinct liian the 

 fore one; fore border arched, slightly dentate on each side; lateral lobes 

 elongated ; hind border elongated, angular, elevated. Supra-anal lobe 

 elongate-conical, extending a little beyond the spatulate styles of the sub- 

 genital lamina. Cerci stout, lanceolate. Legs whitish, short, thick, with 

 brown punctures and with minute spines ; hind femora and hind tibia; with 



