BLATTARI;B. 



8. Blabf.ra thapezoidea. 



Blabera trapezoidea, Burm. Handb. Ent. ii. 516. Sauss. Hist. Nat. Mex. 

 iv. 240. 



Mexico. 



9 Blabera feeruginea. 



Blatta ferrusinea, Stall, Sped. pi. 11 d, f. 9— Blabera limbata, Burm. 



Handb. Ent. ii. 346 — Blabera ferruginea, Sauss. Hist. Nat. Mex. iv. 



241. 



a. O.tjaca, Mexico. From M. Hartweg's collection. 



10. Blabera eraterna. 

 Blabera fraterna, Sauss. Hist. Nat. Mex. iv. 241. 

 Cuba? South America. 



11. Blabera qdadrifera. 



Mas. Teslacea; caput, pectus pedesque nigra ; prnthorax macula maxima 

 quadrala nigra gultas duas testaceas includente, lateribus rectis postice 

 subangulalis ; pectoris latera lestaceo varia ; venter nigrn trivitlatus, 

 scgmentis nigra fasciatis ; alee anticce vitta basali brevi nigra, plaga 

 exteriore fusca magna diffusa ; pnslirte pe/lucidte, apud coslam 

 teslacea, venis testaceis. Var. /3. — Prothoracis macula lestaceo gut- 

 tata ; pectus testaceuin, strigis laieralibus obliquis fuscis. 



Male. Testaceous. Head and the appendages, pectus and legs 

 black. Head wiih the sockets of the antennae and the two intermediate 

 spots luteous; a ferruginous band near the mouth. Eyes somewhat apart 

 in front. Prolhorax with a square very large black spot which includes a 

 testaceous dot on each side and an indistinct lyre-shaped mark; fore part 

 sli^jhtly vaulted in the middle; sides straight in the middle part, very 

 slightly angular near the humeri, along which they are not sinualed. 

 Mesotlioiax with two transverse black spots on each side. Melathorax 

 witii a large black discoidal spot, and with a transverse black spot on each 

 side near the hind border. Pectus mostly testaceous on each side. Abdo- 

 men with a black band on each segment ; under side also with three black 

 stripes, subanal lamina large, distinctly iiilobed. Cerci black, ferruginous be- 

 neath and at the tips. Tarsi ferruginous beneath. Fore wings with a black 

 stripe extending from the base ahmg the humeral vein to one-fourth ot the 

 length, connected on the hind side with a large diffuse brown patch, which 

 in the lelt wing extends to the hind border; discoidal area of left fore 

 wing slightly darker and with more regular and more defined veins 

 than the right fore wing. Hind wings pellucid, testaceous along the cosia 

 to two-thirds of the length and with pale testaceous veins. Var. /3. — Head 

 with a testaceous band near the mouth. Protliorax with a luteous death's 

 head mark in which the eyes are wanting. Pectus testaceous, with oblique 

 brown streaks on each side. Length of the body 22 lines; of the lore 

 wings, including the breadth of the prolhorax, 56 lines. 



The eyes are more approximate than those of B. gigantea and of 

 B. Mexicana. The prothorax is slightly less vaulted and prominent in 



