FAM. BLATTID^ 3 



\o' . Anterior field of tegmina not broad 17. Genus Pseudophyllodromia, Brunner 



9'. Head not very broad. [von Wattenwyl. 



10. Maxillary palpi enormous 12. Genus Duryodana, Kirby. 



10'. M axillary palpi not large. 



II. Convex insects 16. Genus Liosilpha, Stal. 



11'. Depressed insects. 

 12. Apical triangle of wings prominent . . . . i5. Genus Lupparia, Walker. 

 12'. Apical triangle of wings not prominent, or absent 11. Genus Phyllodromia, Serville. 

 5. Tegmina if present not exceeding the apex of the abdomen. 

 6. Tegmina as long as, or shorter than the abdomen, not 

 lob i form. 

 7. Tegmina very short, quadrate or obliquely truncate in 



both sexes 24. Genus Temnopteryx, Brunner von 



7'. Tegmina of varying length, lanceolate in the male. [Wattenwyl. 



8. Ulnar vein simple. 



g. Supra-anal lamina of male bilobed 23. Genus Anisopygia, Saussure. 



g'. Supra-a7ial lamina not bilobed 21. Genus Ceratinoptera, Brunner von 



8'. Ulnar vein ramose. [Wattenwyl. 



9. Supra-anal latnina rounded 19. Genus Allacta, Saussure & Zehntner. 



g' . Supra-anal lamina produced 20. Genus Anallacta, nov. gen. 



6'. Tegmina lobi form or absent. 



7. Tecrmina lobiform 25. Genus LoBOPTERA.BrunnervonWatten- 



7'. Tegmina absent 27. Genus Apteroblatta, Shelford. [wyl. 



4'. No arolia betiveen the tarsal claws. 



5. Tegmina lobiform 26. Genus Paraloboptera, Saussure. 



5'. Tegmina not lobiform. 



6. Ulnar vein of wings simple 22. Genus Paraceratinoptera, Saussure. 



6'. Ulnar vein of wings branched 6. Genus Paratemngpteryx, Saussure. 



y . Genital styles of male bifurcate at apex 14. Genus Onychostylus, Bolivar. 



2' . Eyes joined on vertex of the head i3. Genus Desmosia, Bolivar. 



1' . Eyes rudimentary 28. Genus Attaphila, Wheeler.. 



I. Genus PSEUDOMOPS, Serville 



Pseudomops, Serville, Ann. Sc. Nat. p. 41 {iS3i); Hist. Ins. Orth. p. ii5 (iSSg). 

 Thyrsocera. Buvmeister et auctores (in parte). 



Characters. — Ocelli absent. Antennae with basal half denseh" hirsute except in the male sex 

 of some species. Pronotum with posterior border obtusely angled. Tegmina with the anterior ulnar vein 

 simple, the branches of the posterior ulnar vein forming an angle with the main stem, longitudinal. 

 Wings without a triangular apical field, veins stout, branches of the ulnar vein few. Supra-anal lamina 

 triangular, emarginate. Openings of the odoriferous glands on the abdominal tergites in the male sex 

 usually conspicuous. Cerci elongate, in some species spatulate. Sub-genital lamina of male with stj-les. 

 Femora strongly armed beneath. 



Geographical distribution of species. — Southern States of North .\merica. Central America, 

 South America. 



