NO. 1363. EARWIGS AND COCKROACHES— REIJN. 545 



smd posterior margins each armed with six evenly disposed spines, 

 oeniculiir spine strong; tibia3 slightly exceeding the femora in length; 

 tarsi a])out two-thirds the length of the tibia', arolia large. 



General color orange ochraceous. Head with the lower .surface 

 black; ej^es, interspace ])etween the same and antenna? deep red-brown. 

 Pronotum with the disk reddish orange, with an oyerlaid irregular 

 pattern of dull brownish. Tegmina of the general tint, yeins and 

 neryures subpellucid. Wings of the general tint .strongest on the 

 costal margin, the apex with a suffusion of umber. Abdomen aboye 

 blackish brown; beneath, the same tint, each segment, except the 

 apical ones, margined ])oth posteriorly and laterally with cream color; 

 cerci straw yellow. Coxjb blackish brown with a narrow lateral 

 margin of cream color. Femora, tibia?, and tarsi, red-brown, the 

 femora with blackish-brown genicular patches. 



MEASUREMf]NTS. 



mm. 



Length of body 11. 5 



Length of pronotum 8. 5 



Greatest width of pronotum .^.8 



Length of tegmina 13. 1 



Greatest width of tegmina 5 



Genus THYRSOCERA Burmeister. 



1838. T/i j/csocera BuBMEiSTEK, Mandb. der Ent., II, p. 498. 



Hemithyrsocera Saussure, Societas Entomologica, VIII, 1893, p. r>7. 



Of the ten included species {spectabilis, crinico7mis, civicta., offinh, 

 Havipes^ laticornis, histrio^ oblongata., amixdicornis, and hlrt-icomi^) 

 all are congeneric with ohlongata (the type of Pseudomops Seryille), 

 except spectabilis and histrio^ of which the former may be considered 

 the type. 



THYRSOCERA NIGRA Brunner, 

 1865. Th^yrmcera] /wyro Brunner, Nouv. Syst. Blatt., p. 120; East Indies. 



One female; Trong, Lower Siam. (Dr. W. L. A])bott.) [U.S.N.M.] 

 This species has also been recorded from Burma and Tenasserim. 



THYRSOCERA HISTRIO Burmeister. 



1838. Thyrsocera histrio Burmeister, Handb. der Entom., II, p. 499; Java. 



Two males; Goenong, Soegi, Lampong. Sumatra. Oct.-Noy., 11*<>1. 

 (A. C. Harrison, jr., and Dr. H. M. lliUcr.) |A. N. S. Phila.J 



THYRSOCERA TESSELLATA. new species. 



Tyjye. — Male (immature); Trong, Lower Slam. (I)r. W. L. Al)hott.) 

 [Cat. No. 6946, U.S.N.M.J 



This peculiar form does not a]ipear to hr closely related to any of 

 the previously known forms. 



