LOCTJSTIDJS. 247 



The spines on the hind femora distinguish the following section from 

 the typical species of the genus. 



Sect. n. 



Foem. Corpus robuslum, glabrum, nitens, aplerum. Caput prothorace 

 paullo angustius, vertice antico lato porreclo rotundato, fronte subobliqua. 

 Oculi parvi, non globosi. Palporum arliculus 4us 3o paullo longior; 5us 

 subclavatus, 4o multo longior. Proihorax postice productus, angustus, 

 rotundatus, metathoracein obtegens, lateribus valde rotundatis, carinis 

 lateralibus indetermiuatis. Abdomen prothorace perparum longius. 

 Oviductus perparum arcuatus abdomini aequilongus. Pedes robusti, 

 femora quatuor anteriora subtus subsetosa ; femora postica subtus spinn- 

 losa; tibiae quatuor anteriores triseriatim spinosae ; tibiae posticae quadri- 

 seriatim spinulosae. 



Male. Body stout, smooth. Head narrower than the prothorax, 

 conical and prominent between the antennae; front and face erect, the 

 latter rather long. Eyes small, not prominent. Palpi long, setulose; 

 fourth joint of the maxillary as long as the third; fifth subclavate, much 

 longer than the fourth. Antennae very slender, more than twice the length 

 of the body. Prothorax narrower hindward, where it is elongated and 

 much rounded; sides much rounded; lateral keels distinct. Prosternum, 

 mesosternum and melasternum with a spine on each side. Abdomen 

 tapering from the base to the tip, not longer than the prothorax. Legs 

 stout, rather long ; four anterior femora with four very minute spines on 

 each side beneath ; hind femora with two rows of several minute spines on 

 each side beneath; four anterior tibiae with five rather long spiiies on each 

 side beneath and with two or three above ; hind tibiae with four rows of 

 numerous minute spines and with short apical spurs. Wings rudimentary. 

 Female. Proihorax narrower hindward than that of the male. Oviduct 

 hardly curved upward, nearly as long as the body. Wings not apparent. 



6. THYREONOTUS BASALIS. 



Mas. Fulvus, fusco aut nigro conspersus ; capul postice nigricante nota- 



tum ; prolhorax litura discoidali scutiformi, lateribus late luteis ; 



abdomen basi nigro bistrigatum. Var. /3. Pallidior ; prothorax tes- 



taceo marginatus, lateribus non luteis. Var. y. Caput et prothorax 



testacea, hie apicem versus viride, ilium postice fusco binotatum. 



Male. Tawny, speckled with brown or black. Head with some 



blackish marks on each side near the hind border. Prothorax broadly 



luteous on each side; a scutiform mark in the disk. Abdomen with a 



short black streak on each side at the base. Legs speckled with brown or 



with black. Var. /3. Paler. Prothorax not luteous on each side ; border 



testaceous. Var. y. Head and prothorax testaceous. Head brown on 



each side hindward. Prothorax grass-green towards the tip. 



Frem. Testaceus ; prothorax antice et postice nigropunctatus, apud 

 marginem posticum nigricante binotatus et fusco bilineolatus ; 

 oviductus basi viridi bistrigatus. 



