820 CATALOGUE OF 



41. Tettix odiosa. 



Fcem. Picea, aptera, robusta ; oeuli subprominuli ; antenna gracillima y 

 ban fulva ; pro thorax rugosus, carina dorsali bene determinata, 

 postice lanceolatus, abdominis apicem fere atlingens ; abdomen e 

 maculis pallide iestaceis quadrivittatum ; femora quatuor anterior a 

 supra subtusque tuber culato-subdilatata ; femora postica fulvo 

 notata; tibia quatuor anteriores fulvo trifasciala ; tibia postico 

 albido unifasciatce . 



Female. Piceous, apterous, stout. Head narrower than the prothorax, 

 with a slight keel, which is looped between the sockets of the antennae and 

 forked towards the face as usual. Eyes slightly prominent. Antennas 

 very slender, tawny towards the base. Prothorax rugose, with a well- 

 defined middle keel and with two slight and slightly angular lateral keels, 

 which as usual are abbreviated towards the fore border and converge 

 towards the tip; hind part lanceolate, extending nearly to the tip of the 

 abdomen, which has three rows of pale testaceous spots on each side. 

 Legs short, moderately stout ; four anterior femora with tuberculate edges 

 above and beneath; hind femora with some tawny marks; four anterior 

 tibiae with three tawny bands; hind tibiae with some very minute spines on 

 each side and with a whitish band near the base. Length of the body 

 4 lines. 



This and T. infausta have a slight affinity to the genus Batracho- 

 tettix. 



a. Cape Town. Presented by R. Trimen, Esq. 



42. TETTIX INFA.USTA. 



FoBm. Picea, crassa ; prothorax tuberculatus, fortite tricarinatus, carinis 

 lateralibus angulatis amice abbreviatis, postice laneeolalus, abdomen 

 paullo superans ; femora postica extus rugosa, subtus fulvo varia ; 

 ala postica nigricantes, diaphano marginata. 



Female. Piceous, very stout. Head very much narrower than the 

 prothorax, with a slight keel, which is looped between the sockets of the 

 antennae and forked towards the face as usual. Prothorax tuberculate, 

 dilated on each side into an oblique conical lobe; fore part with three 

 well-defined keels ; lateral keels abbreviated towards the fore border, 

 forming an angle near the base of each fore wing, and converging as usual 

 towards the tip; hind part lanceolate, extending a little beyond the tip of 

 the abdomen. Legs short, stout; hind femora rugose on the outer side, 

 partly tawny beneath ; hind tibiae with a few short stout spines on each 

 side. Fore wings rudimentary. Hind wings blackish, pellucid along the 

 exterior border ; veins black. Length of the body 6 lines ; expansion of 

 the hind wings 12 lines. 



c, b. South Africa. Presented by Sir A. Smith, 

 c, d. Natal. From M. Gueinzius collection. 



