LOCUSTIDiE. 263' ' 



4o iriplo lorio:ior. Prolhorax dorso piano, carinis lateralibus bene deter- 

 niiiiH^is, margine postico subrotundato. Oviduclus subarcuatus, abdomine 

 louyiur. Pedes Jongi, sal graciles, feraoribus posticis tibiisque quatuor 

 aiiterioribus biseriatim spinosis, tibiis posiicis quadriserialim spinosis. Alae 

 corpore fere duplo longiores. 



Female. Body rather slender. Head and prothorax very finely 

 pmiciured. Head as broad as ihe prothorax, rounded above and between 

 the aniennce, where there is a broad space ; front erect, smooth. Eyes oval, 

 not prominent. Third joint of the maxillary palpi about twice the length 

 of the fourth ; fifth about thrice the length of the fourth. Antennae slender, 

 longer than the body. Prolhorax flat above, with two transverse furrows, 

 one longitudinal furrow and two oblique furrows; lateral keels well 

 defined; sides much extended and rounded; hind border slightly rounded. 

 Oviduct slightly curved upward, longer than the abdomen. Legs long, 

 rather slender; hind femora with a few spines on each side beneath ; four 

 anterior tibice with two rows of short and very slender spines; hind tibiae 

 with four rows of numerous spines. Wings nearly twice the length of the 

 body. 



35. Decticus tenebrosus. 



Foem. Ferrvgineus ; prothorax plagis duabus lateralibus magnis nigris ; 

 femora transverse rugulosa ; tarsi nigricantes ; alee anticce vilta 

 infornii e plagis cinereis mavulisque nigris ; ala postica cinerea. 



Female. Ferruginous. Prothorax with a large black patch on each 

 side in the deflexed part. Femora transversely rugulose; tarsi blackish. 

 Fore wings with an irregular stripe of cinereous patches and of black spots 

 of various size and shape. Hind wings cinereous. Length of the body 

 12 — 14 lines; of the wings 56 — 60 lines. 



a. Philippine Isles. From Mr. Cuming's collection. 



b. Corea. Presented by Capl. Sir E. Belcher. 



New Zealand. 



36, Decticus semivittatus. 



Foem. Testaceus ; caput cornu parvo antico porrecto rotundato nigricante 

 vittato, f route perparum obliqua ; ocuii sal globosi ; prothorax 

 breviusculus, postice latior, carinis lateralibus vix determinalis, mar- 

 gine postico recto ; abdomen vittis duabus fuscis valde indeterminatis ; 

 oviductus vix arcuatus, abdomine paullo longior ; pedes sat longi^ 

 femoribus posticis tibiisque quatuor anterioribus biseriatim spinulosis^ 

 tibiis posticis quadriserialim spinulosis ; alcB anticce brevissimcB, villa 

 coslali nigricante. 

 Female. Testaceous, smooth, shining. Head as broad as the pro- 

 thorax, with a short porrect much rounded protuberance, which has a 

 blackish stripe; front very slightly oblique, with a distinct transverse 

 suture between it and the face, which is very short. Eyes rather large and 

 prominent, mottled with black. Mandibles with black tips. Maxillary 

 palpi slender ; fourth joint a litlie shorter than the third ; fifth very slightly 

 clavate, a little longer than the third. Antennae very slender. Prothorax 

 rather short, broader towards the hind border, which is straight; lateral 



