36 BELOSTOMATID^. 



pronotum and the embolium of the henielytra ahvays paler in hue; 

 abdomen beneath with its disk shining, its sublateral margins and 

 the disk of the stex-num greyisbly opaque ; head about as long as 

 space between eyes, which are elongately obhque ; pronotum 

 thickly finely punctate, with a central longitudinal and a subbasal 

 transverse discal incised line, two subanterior discal foveations ; 

 scutellum and corium thickly and very finely punctate ; membrane 

 small ; embolium convexly ampliate with its outer margin a little 

 reflexed. 



Length 21 to 22 ; greatest breadth of hemelytra 16 to 

 17 millim. 



Hah. Sind. Silhet. Calcutta Tanks {Ind. Mus.) 



B. Greatest expanse of Jiemeh/ira together shorter than their length ; 

 head shorter than breadth between eyes. 



a. Anterior tarsal claws short. 



1514. Sphaerodema rusticum, Fabr. (Nepa) Si/st. Bhym/. p. 106 



(1803) ; Buf. (Neninops) Ann. Soc. Ent. Fr. 1868, p. 399 



(part.) ; Mayr (Diplouychus), Verh. z.-b. Ges. Wien, xxi, p. 438 



(1871). 



? Nepa plana, Sulz. Abgeh. Gesch. d. Lis. p. 92, tab. x, fig. 2 



(1776). 

 Var. marginicoUis, Duf. (Appasus) Ann. Soc. Fnt. Fr. 1863, p. 393. 



Ochraceous or ochraceous-browu, the 

 lateral and basal margins of pronotum and 

 the embolium always paler ; body beneath 

 and legs concolorous, ochraceous ; head 

 shorter than breadth between eyes, which 

 ai'e obliquely converging ; pronotum, scu- 

 tellum, and corium very thickly and finely 

 punctate; membrane small; anterior tarsal 

 claws short. 



Length 15 to 16 ; greatest breadth 



Fig. 23. 9 to 9^ millim. 



Sjiharoderna rusticum. Uab. liomhay(Leit7i). Ceylon; Colombo 



(Coll. Dist.). Burma; Mandalay, Teinzo 



(Feci). — Siam ; Malay Peninsula. Sumatra. Java. PhiHppines. 



China. Australia ; Queensland (Coll. Dist.). 



The specimen figured represents the var. marginicoUis, Duf. 



b. Anterior tarsal claivs moderately long. 



1515. Sphaerodema molestuni, Duf. (Appasus) A7m. Sac. Fnt. I). 

 1863, p. 395 ; Mayr (Diplonychus), Ferh. z.-b. Ges. Wien, xxi 

 p. 437 (1871). 

 Nei'vinops rusticus, Duf. Ann. Sac. Fnt. Fr. 1863, p. 399 (part.). 



