LOCUSTID.E. 481 



three rows of spines ; fore tibiae incrassated at the base. Fore wings rather 

 narrow, shorter by nearly four lines than the hind wings, truncated at the 

 tips ; fore border slightly rounded ; interior border straight, rounded near 

 the tip ; areolets in the fore part transversely narrow, regular, those in the 

 hind part irregular ; scapular vein diverging slightly from the externo- 

 medial in the exterior part ; branch of the externo-medial with two undu- 

 lating forks ; interno-medial curved towards the tip. Hind wings reticulated 

 towards the tips. 



1. DEBRONA CEEVINA. 



FcBin. Cervina, subtus pallidior ; antennae nigricantes, basi cervince ; 

 alee posticcB diaphanie, basi cervinee. 



Female. Fawn-colour, paler beneath. Eyes livid. Antennaa blackish, 

 fawn-colour at the base. Hind wings pellucid ; veins whitish ; apical 

 space fawn-colour. Length of the body 15 lines ; expansion of the fore 

 wings 46 lines. 



a. South Africa. Presented by Earl Russell. 



Genus PEMBA. 



Mas. Corpus gracile, nitens. Caput subprominulum, spatio inter 

 antennas latiusculo bicarinato. Oculi fere rotundi, valde prominuli. An- 

 tenna3 longae, graciles. Prothorax tuberculatus, sellatus, transverse bisul- 

 catus; margo anticus spina valida oblique ascendenle instructus ; spatium 

 posticum dilatatum, septem spinosum. Prosternum acute bispinosum. 

 Meso- et metasternum obtuse subspinosa. Pedes graciles ; coxae uni- 

 spinosae; femora spinis validis curvatis uniseriatim armata; tibiae spinu- 

 losae. Alae anticas sat latae, subtiliter reticulatae. Alae posticae paullo 

 breviores. 



Male. Body slender, shining. Head slightly prominent, as broad as 

 the fore border of the prothorax ; space between the antennas rather broad, 

 with two slight separate keels ; fore part oblique. Eyes nearly round, very 

 prominent. Antenna? long, slender. Prothorax tuberculate, saddle-shaped, 

 with two transverse impressed lines; fore border produced into a stout 

 obliquely ascending spine; hinder disk dilated, flat, with three oblique 

 spines on each side and one upright spine on the hind border. Prosternum 

 with two slender acute spines ; mesosternum and metasternum with two 

 thick obtuse spines. Cerci stout, curved. Styles of the subgenital lamina 

 short, slender. Legs slender ; a spine on each of the coxae ; femora armed 

 beneaih with one row of stout curved spines ; fore femora with three spines ; 

 middle femora with four ; hind femora with nine, these femora incrassated 

 towards the base; four anterior tibiae with two rows of minute spines; hind 

 tibiae with four rows. Wings longer than the body. Fore wings 

 moderately broad, minutely reticulated, a little longer than the hind wings; 

 areolets large ; scapular vein very approximate to the externo-medial till 

 near the tip, where it diverges to the costa. 



Allied to Monocerophora. 



