FAM. BLATTID.E 



i3 



16. Genus PELMATOSILPHA, Dohrn 



Pelmatosilpha. Dohrn, Stett. Ent. Zeit., Vol. 4.S, p. 410 (1887). 



Characters. — Eyes on vertex ot head further apart than the antenna! sockets. Pionotum 

 trapezoidal, not covering vertex of head. Tegmina and wings completely developed but not exceeding 

 the apex of the abdomen, or tegmina reduced, not surpassing the fifth abdominal tergite. and wings 

 reduced or rudimentary. Tibial spines on outer aspect triseriately arranged. Tarsi as in Polyzostiria, 

 Platvcoshria, etc. 



Geographical distribution of species. — Texas, Central and South America, Ccxlon. 



1. P. Kitundata, Scudder. Proc. Da\enport .Acad. Xat. .Sc, \'ol. S, \i. g3, Texas, Panama. 



pi. 2. f. 5 (igoo). 



2. P. villana. Saussure & Zehntner, Biol. Centr .Amei. ()rth.,Vol. i,]). 72, Panama. 



pi. 4, ff. 41, 42 (i8g3). 



3. P. alaris, Saussure, Rev. Zool. (2), \'o\. 16. )). 3ig (1S64). Brazil. 



4. P. coivexa, nov. sp. (i). Brazil. 



5. P. piaestans, Dohrn, Stett. Ent. Zeit., \'ol. 48, p. 411 (18^7). Peru. 



P. ntinima. Walker, Cat. Derm. Salt. Brit. Mus. Suppl. Blatt. p. i5i 

 ( 1S69 1. 



6. P. inarginalis, Brunner von Wattenvv}!, Proc. Zool. Soc. Lond. p. 6o3, Cjrenada. 



pi. 52, f. 2 {1893). 



'J . P. pui'purascens. Kirb}', Ann. Mag. Nat. Hist. (7), \'ol. 12, ]). 37.^ Dominica. 

 (igo3). — PI. 2, Fig. 15. 



8. P. decipiens, Kirb}', ibidem, p. 376 (igo3). Trinidad. 



9. P. coriacea, Rehn. Trans. Amer. Ent. Soc, Vol. 29, p. 278 (igo3). Porto Rico. 

 ID. P. sinhalensis, Shelfurd, Jahrb. Ver. Naturk. Wiesbaden, Vol. 61, p. 33 Ceylon. 



(1908). 



Doubtful species : 



II. P. occidentaUi. Burmeister, Handb. Ent.. \"ol. 2, p. 4S3 (i838). 



Colombia. 



17. Genus D0RYL>CA, Stal 



Dorylsea. Stal. Oefv. Vet -Akad. Forh., \'ol. 34, n" 10. p. 36 (1S77). 



Characters. — Sexes similar, l^ronotum antcriorh- arcuate, posteriorly truncate. Tegmina semi- 

 corneous, venation obsolete not extending beyond tiie fourth or tifth abdominal tergite. Wings reduced 

 or fully developed. Tibial spines triseriately arranged on the outer aspect of the tibije. Posterior metatarsi 

 exceeding the following joints in length, armed beneath; second joint short armed beneath, third joint 

 unarmed: pulvilli moderately enlarged. 



Geographical distribution of species. — Malay Archipelago, Madagascar. 

 I. D. flavicvuia. de Haan, in Temminck, Verhand. Nat. Ges. Orth. p. 5o Borneo, Java, Sumatra, 

 (1842). Madagascar. 



Metlhuia zehittntvt. Kirby, .\nn. Mag. Nat. Hist. (7), Vol. 12, p. 374 (1903). 



(il P. convexa, nov. s p. — Pe^nalc. — Convei, nitid. Head, pronotum, anal field of left legmen, a triangular marking at base of right 

 tegmen. abdomen and le^s, castaneous. Pronotum parabolic, posteriorly truncate. Tegmina ovate. e-\tendinjj to base of supra-anal lamina, corneous, 

 oclireous except for the castaneous areas and for some castaneous points between tlie obsolete veins, anal rein absent, 'Wings equal m length to legmma, 

 semi-corneous, anterior part densely flavo-reticulate. Supra-anal lamina produced, cucullate, posteriorly faintly emarginaie. Abdomen pictous at base 

 beneath. Posterior metatarsus much shorter than the succeeding joints. —Total lengtli 21 mm.: length of tegmina iz.i mm.; pronotum 6 mm. X 9 mm. 

 Espirito .Santo. 



