PELMAT0S1LPHA. — PERIPLANETA. 73 



rotundato ; sulco anali nullo, tantum in § marginis suturalis obsolete perspicuo, subperpendiculari. Alae 

 minutse, ovatse, apice late rotundatse, eampo antieo quam postico valde latiore, castas eo-opaco, margine 

 anteriore valde arcuato, campo marginali lato, reticulato. Yena discoidalis crassa, lata ; vena media ad 

 costam crasse ramosa. Vena dividens recta. Campus posterior angustus, pallidior, ab anteriore per 

 vittam subhyalinam separatus, venis crassis, ramosis ac reticulatus ; margine postico subrecto. Pedes 

 nigro-castanei, spinis tibiis et tarsis rufescentibus. Lamina supra-analis longiuscula, rugulosa, apice 

 incisa, marginibus lateralibus integris, angulis rotundatis. Cerci mediocres, apice rufescente. 

 Long. 23 ; elytr. 7*5, pronot. 6-2, latit. pronot. 8-4 millim. 



Hab. Panama, Isthmus of Panama (E. de Ville ; Mus. Genavense et Mus. Bruxel- 

 lense). 



DORYLiEA, Stftl. 



Dorylcsa, Stal, Orthopt. Nova ex Ins. Philippinis (Ofv. k. Vetensk.-Ak. Forhandl. 1877, no. 10), 

 p. 36. 



1. DorylsBa rhombifolia, Stoll. 



Blatta rhombifolia, Stoll, Kakkerl. t. 3 d. fig. 13 ; Sauss. Mem. Mex., Blatt. p. 267. 

 Periplaneta rhombifolia, Sauss. Miss. Seient. Mex v Orthopt. p. 72. 1. 

 Periplaneta histrio, Sauss. Mem. Mex., Blatt. p. 73. 18. 

 Periplaneta decorata, Brunn. de W. Syst, Blatt. p. 224. 2. 



Hab. Mexico ; Centkal America. — Beazil. — East Indies. — Africa. 

 A cosmopolitan species within the tropics. 



STYLOPYGA, L. H. Fischer et auctt. 

 1. Stylopyga orientalis, Linn, et auctt. 



, Th. Moufet, Insect, sive minimorum animal. Theatrum, p. 138, figg. ^ ? (1634). 



Had. North America. — Mexico ; Central America. — Antilles. 



A cosmopolitan species, inhabiting store- and dwelling-houses, ships, &c. 



PEEIPLANETA, Burm. 



Kakerlac, Latreille ; Serville. 

 Periplaneta, Burmeister (ex parte) ; Stal. 



The species of this genus inhabit houses and are quite cosmopolitan ; they are spread 

 over the tropical and subtropical regions of the whole world, and are a plague in store- 

 houses, ships, &c. 



Synopsis specierum. 



a. Femina. Lamina supra-analis profunde trigonali-incisa : 



b. ultra segmentum ultimum ventrale producta, trigonali-bilobata. 



c. Elytra tota ferruginea. Pronotum margine postico magis arcuato, rufo- vel fusco- 

 bimaculatum vel disco rufo-fusco, fascia intramarginali circumcirca obsolete flava. — 

 1. americana, L. 

 biol. centr.-amer., Orthopt., November 1893. l1 



