LOCUSTlDiE. 



365 



Male. Body rather slender. Head as broad as the prothorax, with a 

 short keel between the eyes. Eyes prominent. Fourth joint of the raaxil- 

 lary palpi much shorter than the third; fifth much longer than ihe third. 

 Antennte long, very slender; first and second joints incrassated. Disk of 

 the prothorax flat, widening hindward ; lateral keels well defined; fore 

 border and hind border straight ; sides much rounded. Abdomen rather 

 longer than the thorax. Cerci curved. Legs slender; four anterior femora 

 with five spines beneaih ; hind femora incrassated towards the base, with a 

 few minute spines beneath on each side towards the tips ; tibiie in structure 

 like those of Soria. Fore wings broad, subfusiform, a lilile shorter than 

 the hind wings ; scapular and externo-medial veins contiguous ; the latter 

 in addition to some transverse veinlels emits two forked longitudinal veins; 

 the first undulating, proceeding from the middle, the second near ihe tip ; 

 interno-medial vein undulating and forked ; areulels irregular, as they are 

 also in the triangular subapical patch of the hind wings. 



1. TOPANA MEDIA. 



Mas. Viridis; antenncB albicla, nigro fascialcE ; protkoracis carina 

 laterales ferntginece ; abdomen lestaceum ; pedes ferrugineo nolali ; 

 al(B anlicce macula gultisque duabus discoidalibus plagaque poUica 

 basali ferrugineis ; alee poslicce diaphancB, plaga apicali viridi. 

 Male. Green. E}es testaceous. AntenusB whitish, with several 

 black bands. Prothorax with ferruginous lateral keels. Abdomen testa- 

 ceous. Four femora and four anterior tibiae with some ferruginous marks. 

 Fore wings ferruginous between the anal vein and the hind border; a large 

 ferruginous spot between ihe forks of the inierno-medial vein, accompanied 

 by two ferruginous dots, the one near its inner side, the other near its outer 

 side. Hind wi..gs pellucid; veins white; apical patch green. Length of 

 the body 7^ lines ; expansion of the fore wings 20 lines. 



2. ToPANA POSTICA. 



Mas. Testa ceo'viridis ; oculi ferruginei ; antenna albida, nigro cincta ; 



prothorax fusco bivillatus, disco pallide Inteo ferrvgineo-marginato, 



laleribus undulatis, margine postico rolundalo ; abdominis dorsum 



carinatum } cerci valde arcuati ; femora apice tibiaquebasi ferni- 



ginea ; alee anticcE plaga postica plagaque basali ferrugineis ; alee pos- 



ticce diapkance, plaga apicali viridi fusco strigulata. 



Male. Testaceous-green. Head with a short keel between the eyes, 



which are ferruginous and prominent. Antennae whitish, with some black 



bands. Prothorax with a pale luteous flat disk, which has a ferruginous 



rim; fore border almost straight; sides undulating ; hind border rounded ; 



a brown stripe on each side. Abdomen keeled above, a little longer than 



the thorax. Cerci much curved, extending round the lower lanceolate 



styles. Femora at the tips and tibise at the base ferruginous. Fore wings 



ferruinnous between the anal vein and the hind border ; a ferruginous patch 



on tlfe hind border beyond the middle; under side with some minute brown 



costal marks near the tip. Hind wings pellucid; veins white; apical 



patch green, with some little transverse brown costal streaks. Length ot 



the body 6 lines; expansion of the fore wings 18 lines. 



I 



