LOCUSTID.E. 473 



GRYLLACBIS? ROSEIVITTA. 



Mas et fcem. Testacea, gracilis ; caput breve, prothorace paullo latius y 

 fronte labroque longis ; oculi fusiformes, prominuli ; antenna 

 gracillimce, corpore plus quadruple longiores ; prothorax transversus, 

 nonnunquam roseo notatus ; oviductus subarcuatus, corpori aqui- 

 longus ; pedes breviusculi, femoribus tibiisque posticis biseriatim 

 spinulosis, tibiis quatuor anterioribus spinis longis biseriatim 

 armatis ; alee albidce, roseo venosce, abdomen longissime superantes. 



Male and female. Testaceous, slender, smooth, shining. Head short, 

 a little broader than the fore border of the prothorax; front and labrum 

 elongate. Eyes piceous, fusiform, slightly prominent. Maxillary palpi 

 long; fourth joint a little longer than the third; fifth subclavate, trun- 

 cated, longer than the fourth. Antenna very slender, much more than 

 four times the length of the body. Prothorax transverse, sometimes with 

 rosy marks; two curved transverse furrows, which are connected on 

 each side ; fore border slightly rounded ; sides and hind border nearly 

 straight. Oviduct slightly curved, as long as the body. Legs rather 

 short; four anterior femora unarmed ; hind femora with five minute black 

 spines on each side beyond the middle ; four anterior tibiae with four long 

 slender spines on each side; hind tibiae with five minute black-tipped 

 spines on each of the two upper keels. Wings whitish, of equal length, 

 extending very much beyond the abdomen ; veins rosy ; transverse veinlets 

 numerous, regular. Length of the body 9 11 lines; expansion of the fore 

 wings 2628 lines. 



a, b. Santarem. From Mr. Bates' collection. 



GRYLLACBIS? PARVULA. 



Mas. Testacea, gracilis, fere cylindrica ; caput prothorace paullo latins, 

 anlice nigro unifascialum ; oculi ovati, sat magni, subprominuli ; 

 prothorax longiusculus, nigro bivittatus, marginibus fere rectis; pedes 

 breves, robusti, tibiis posticis serratis spinis longis biseriatim armatis ; 

 ales anticcB abdomen longissime superantes, alls posticis paullo bre- 

 viores. 



Male. Tawny, slender, smooth, shining. Head short, as broad as 

 the prothorax, very convex between the antennae, which are wide apart. 

 Eyes piceous, elliptical, very prominent. Fourth joint of the maxillary 

 palpi longer than the third, shorter than the fifth, which is clavate. 

 Prothorax transverse, with an elevated border, with a curved transverse 

 furrow and with a nearly obsolete longitudinal furrow; fore border convex; 

 sides and hind border nearly straight. Cerci lanceolate, setose, curved, 

 about one-fourth of the length of the abdomen. Legs stout, setose ; 

 four anterior femora unarmed ; hind femora with a few very minute spines 

 in one row; four anterior tibiae with two rows of long stout spines; hind 

 tibiae with two rows of minute spines. Wings hyaline ; veins testaceous. 

 Fore wings extending very much beyond the abdomen, a little shorter than 

 the hind wings. Length of the body 8 lines; expansion of the fore wings 

 20 lines. 



a. St. Domingo. From Mr. Hearne's collection. . 



