826 CATALOGUE OF 



58. Tettix nigricollis. 

 Mas. Pallide cinerea, gracilis ; frons nigricans ; oculi valde prominuli ; 

 antenna ferruginea ; prothorax fascia antica lata abbreviala strigisque 

 duabus longitudinalibus nigris, postice lanceolatus, abdomen longe 

 superans ; pedes graciles, femoribus extus nigricantibus, femoribus 

 posticis extus cinereo pallido uniplagiatis, femoribus quatuor 

 anterioribus nigricante fasciatis ; alee posticte cinerea, apices versus 

 nigricantes, prothoracem longe superantes. Var. /3. — Prothorax strigis 

 duabus latis fuscescentibus ; femora tota cinerea. 



Male. Pale cinereous, slender. Head with the usual structure; front 

 blackish. Eyes ferruginous, very prominent. Antennae ferruginous. 

 Prothorax with the usual keels and with a broad black abbreviated band 

 on the fore border; a black longitudinal streak on each side close behind 

 the broadest part; hind part lanceolate, extending for half its length 

 beyond the tip of the abdomen. Abdomen blackish above. Legs slender ; 

 femora blackish on the outer side; hind femora with a pale cinereous patch 

 on the outer side; four anterior tibiae with blackish bands; tarsi with 

 blackish tips. Hind wings cinereous, blackish towards the tips, extending 

 much beyond the tip of the prothorax. Var. /3. — Prothorax with a short 

 broad brownish streak on each side close behind the broadest part. Femora 

 wholly cinereous. Length of the body 3£ lines; expansion of the hind 

 wings 10 lines. 



o. Bombay. Presented by Dr. Leith. 



59. Tettix discalis. 



Fcera. Cervina, gracilis, dorso fuscescens ; oculi subprominuli ; pro- 

 thorax postice lanceolatus, abdomen longissime superans; tibia 

 postica spinulosa ; alee postica diaphana, striga costali nigricante. 



Female. Fawn-colour, smooth, slender. Head brownish, with a 

 slight middle keel, which, as usual, is looped between the sockets of the 

 antennae and forked near the face; a short keel on each side near the 

 face. Eyes slightly prominent. Prothorax brownish, bordered with fawn- 

 colour, with three keels, which are highest near the fore border; lateral 

 keels rounded near the base of each fore wing; hind part lanceolate, 

 compressed, extending for rather less than half its length beyond the tip 

 of the abdomen. Legs rather slender ; femora brownish cinereous, exlendiug 

 much beyond the tip of the prothorax. Length of the body 4£ lines ; 

 expansion of the hind wings 10 lines. 



a, b. Ceylon. From Mr. Janson's collection. 



60. Tettix armigera. 



Fcem. Fuscescens, gracilis; oculi valde prominuli; palpi albidi ; 

 antenna pallide testacea, apices versus fusca; prothorax biseriatim 

 subtuberculatus, spinis duabus lateralibus longis fulvis apice nigris, 

 postice cervinus, abdomen longissime superans; pedes nigricantes, 

 tibiis quatuor anterioribus fulvo trifasciatis, tarsis posticis fulvis 

 nigricante unifasciatis ; ala postica cinerea. 



