FAM. BLATTID.F. 3 



4. Pronutuiii poiiet ioily tyuncaie 13. (jenus Phoetai.ia, Stal. 



4'. Pronotnin pustenoily more or less produced (i). 



5. Tarsal arolia absent i3. (ifiiiis Ataxic amia. Tepper. 



y . Tarsal arolia present. 

 6. Sexes dissimilar. 



7. Vertex of iiead covered hv the pronotiim 14. ( jeiuis Khic:no])a. Biunnev von Wat- 



7'. Vertex of head exposed. [tenwyl. 



8. Tegmina : {(f) completely developed, (9 ) lobiform . . i5. (jeiius Cai.oi.a.vu'RA, Saussuie. 

 8'. Tegmina : ((/) reduced, (9) truncate or absent . . . 16. Genus Audreia, nov. gen. 

 6'. Sexes similar. 

 7. Vertex 0/ head covered by the pronotiim. 



S. Pronotiim K'ith siib-retlexed margin 17. (ienus TKiHONOiDiiA, Shelford. 



8'. Pronotum not as above, 

 g. Piilvilli large, second to fourth tarsal joints not spined . iS. Genus I'seldoi'IIokasi'is, Kiiliy. 

 9'. Pulvilli small, second to fourth tarsal joints spined . . iq. (jenus Hedaia, Saussure & /elin- 

 7'. Vertex of head exposed. tiipr. 



8. M''tiigs truncate or acuminate at apex. 



9. Wings truncate at apex . . 20. (jenus Rhahdohi.at'I'a, Kiiby. 



9'. Wings acuminate at ahex 21. Genus Derocardia, Saussure. 



8'. Wings rintnded at apex. 



g. Femora strongly armed 22. Genus Epii.ami'Ka, Buimeistei. 



9'. Femora sparsely armed 23. Genus Eustegasta. (ierstacker. 



I. Genus PHORASPIS, Serville 



Phoraspis, Seiville. Ann. Sc. Xat. Vol. 22, ji. 43 (i83i); Hist. Ins. Orth. ]>. 124 (1839). 

 Cyrtilia, Stal, Bih. Svenska Akad. Vol. 2 (i3), ]>. 11 (1874). 



Characters, — Form conve.x. Antennae setaceous. Pronotum rhomboidal. iiosterioriy arcuate, 

 anteriorly covering vertex of head. Tegmina convex, semi-corneous, lanceolate, densely punctate, 

 \enation obscured, anal vein absent in both sexes, mediastinal vein on ventral surface incrassated. 

 Wings coloured, ulnar vein sending incomplete rami to dividing vein and several complete rami to apex. 

 Supra-anal lamina : (q<) transverse. (9) quadrate, apex emarginate. Sub-genital lamina : (cf) broad, 

 transverse with two short styles, (9) produced, ample, margins sinuate, sub-carinate and with two 

 lateral folds. Cerci short, acuminate. Legs slender, femora sparsely armed, tarsi short, pulvilli lari^e, 

 posterior metatarsus not spined beneath, shorter than succeeding joints. 



Geographical distribution of species. — West Indies, Central and South America. 



1. P. pellucens. Thunberg, Mem. Acad. Sc. St-Petersb. V'ol. 10, p. 276, pi. 14 Brazil, Surinam. 



(1826). 



P. lucUiosa. Saussure, Rev. Zool. (2;, Vol. 20, p. 356 (1S68). 



2. P. convexa, Thunberg, Mem. Acad. Sc. St-Petersb. Vol. 10. p. 279 (1826). Brazil. 



— PI. I, Figs. I, la. 



p. kc\denia)ui. Saussure. Rev. Zool. (21, Vol. 16, p. 309 (1864). 

 ? P. conspsrsa, Burmeister, Handb. Ent. Vol. 2, p. 493 (iS38i. 



( I ) Except in the suhapterou-': and apterous forms. 



