LOCUSTIDJS. 339 



23. PHANEROPTERA LURIDA. 



Mas. Sordide ochracea, gracilis; oculi rotundi, prominuli ; prothoracis 

 carince laterales vix determinate; cerci lanceolati, graciles, valde 

 arcuati ; cornicula duo infera valida, lanceolata, subarcuata ; pedes 

 graciles, femoribus inermibus ; alee anticce angustce ; alee posticce 

 alba, apud costce apicem ochraceo strigatce. 



Male. Dull ocbraceous, smooth, slender. Head nearly as broad as 

 the prothorax, with a short slight keel between the eyes; front erect. Eyes 

 round, prominent. Palpi with the usual structure. Antennae long, slender. 

 Prothorax with a flat disk; lateral keels hardly defined ; fore border hardly 

 excavated ; sides and hind border rounded, the latier deeply notched on 

 each side. Sternum slightly excavated in each segment. Cerci lanceolate, 

 slender, much curved; inferior appendages stout, lanceolate, slightly 

 curved. Legs long, slender ; femora unarmed ; hind femora incrassated 

 for half the length from the base; tibia? with the usual minute spines; fore 

 tibiae incrassated at the base. Fore wings narrow, shorter by three and a 

 half lines than the hind wings; areoleis very numerous and minute and 

 irregular. Hind wings white, with the colour and texture of the fore wings 

 along the apical part of the costa ; veins very pale yellow. Length of the 

 body 6 lines; expansion of the fore wings 15 lines. 



a. Natal. From Mr. Stevens' collection. 



24. PHANEBOPTEBA PLANA. 



Mas. Testaceo-viridis, sal robusta ; oculi fulvi, fere rotundi, sat promt- 

 null; prothorax ochraceo bilineatus ; cerci subcylindrici, sat arcuati ; 

 cornicula duo infera subcylindrica, subarcuata; pedes graciles, femori- 

 bus spinulosis ; alee anticce sat angustce, strigis duabus posticis basali- 

 bus ferrugineis ; alee posticce diaphance, apud costa apicem viridi 

 strigatce. 



Male. Testaceous-green, smooth, rather stout. Head nearly as broad 

 as the prothorax, with a short keel between the eyes ; front erect. Eyes 

 tawny, nearly round, rather prominent. Palpi with the usual structure. 

 Antennas long, slender. Disk of the prothorax flat, slightly widening 

 hindward, with an abbreviated curved transverse line in the middle; lateral 

 keels well defined, each accompanied by an ochraceous line; fore border 

 slightly excavated ; sides and hind border slightly rounded. Prosternum 

 entire; mesosternum and metasternum deeply notched. Cerci and lower 

 appendages rounded at the tips, nearly cylindrical, the former more curved 

 than the latter. Legs long, slender ; femora and four anterior libiaB with 

 two rows of minute spines; hind tibia? with four rows; hind femora 

 incrassated towards the base ; fore tibia? slightly dilated at the base. Fore 

 wings rather narrow, with a ferruginous streak along the anal vein and 

 another nearer the base of the hind border ; interno-medial vein abruptly 

 curved to the hind border near its tip ; branch of the externo-medial vein 

 forked ; areolets very numerous and minute and irregular. Hind wings 

 pellucid, longer by one line than the fore wings, green and with the 

 texture of the fore wings along the apical part of the costa; veins 



