10 



The third antennaFarticle provided with adout 12 sensoria 



T. nigrofasciatum, n sp. 



1. Trichosiphum nigrum, n. sp. (PL. VIL) 



A. Winged viviparous female. 



Length of body 3.00 m. m. 



Greatest width of abdomen 1.40 jr 



Expansion of wings 7.10 & 



Length of antenna 1.97 p 



Length of cornicle 2.13 ? 



Length of fore-leg 1.91 ? 



Length of mid-leg 1.94 ? 



Length of hind-leg 2.43 ? 



Length of fore-wing 3.16 ? 



Width of fore- wing 1.09 ? 



Length of hind- wing 1.88 ? 



Width of hind-wing 0.54 ? 



General colour black. Head large, dark brown to black, wider than 

 length bearing inconspicuous frontal tubercles; vertex flat, furnished 

 with many hairs. Eyes large, blight red; supplementary eyes remark 

 -ably prominent; ocelli conspicuous. Kostrum long, reaching to the third 

 coxae, yellew, the base and tip black. Antennae about two thirds as 

 long as body, brackish brown, excepting the base of the third article 

 pale: first article thick and .short; the third longest, provided with 

 about twenty two mouth-shaped sensoria of various sizes in a row; IV. 

 slightly longer than V. The length of each article: I-0.1m. m. ; II-0« 

 08 m. m.; IH-0.75 m. m.; IV-0.27 m.ra.; V-0.24 m. m.; VI-0.16 m. m.; 

 spur-0.37 m. m. . Prothorax yellow; the dorsum largely blackish brown 



