EANATKA. 19 



Ferrari, Ann. Hofimis. Wien, iii, p. 184 (1888) ; IJist. (Lacco- 



trephes) A. M. N. H. (7) xiv, p. G3 (1904). 

 Laccotrephes japoiiensis, Scott, A. M. N. H. (4) xiv, p. 450 



(1874) ; Ferrari (Nepa), Aim. Hofmus. Wien, iii, p. 175 



(1888). 

 Nepa eusoma, kohlii, deutata, Ferrari, Ann. Hofmus. Wie^i, iii, 



pp. 179, 180, 183 (1888). 

 PNepa dubia, Ferrari, Ann. Hofmus. Wien, iii, p. 181 (1888). 



A smaller and narrower species than L. rohustus, in colour 

 generally fuscous, sometimes piceous ; abdomen above reddish- 

 ochraceous, usually with a central longitudiual fuliginous fascia, 

 the apex brownish-ochraceous, sometimes, but rarely, with the 

 whole disk suffused with fuliginous ; wings vitreous ; abdominal 

 appendages a little longer than the body ; hemelytra subparallel. 



Length 30 to 35 ; breadth between post, pronotal angles 7 to 

 9 niillim. 



Bab. Sind (Vienna Mus.). Kashmir (Fliirjel). Naga Hills 

 (Doherti/). N. Khasi Kills (Chennell). Kangra Valley {Dudgeon), 

 Bombay (Dixon). Calcutta. Ceylon {Lewis). Burma ; Bhamo 

 {Fea). — China {Vienna Mus.). Formosa (Brit. Mus.). Japan 

 {Leivis). 



1489. Laccotrephes maculatus, Fabr. (Nepa) Syst. Ent. p. 602, 5 

 (1775); StSl (Laccotrephes), Hem. Fabr. i, p. 135 (1868); 

 Ferrari (Nepa), Ann. Hofmus. Wien, iii, p. 187 (1888) ; 

 Montand. Ami. Mus. Civ. Gen. xxxvii, p. 377 (1897). 

 Nepa griseus, Guer. Iconoqr. Reyne Anim., Ins. p. 352, pi, Ivii, 

 tio-. 7 (1829-1838) ; Ferrari, Ann. Hofmus. Wien, iii. p. 185 

 (1888) ; Montand. (Laccotrephes) Ann. Mus. Civ. Gen. xxxvii, 

 p. 377 (1897). 



Fuscous or griseous, pubescent ; abdomen above fuscous or 

 fuscous-brown, its apex paler, somewhat griseous; femora (except 

 in griseous varieties) with obscui'e fuscous shadings ; wings 

 vitreous, with a distinct bluish tinge ; abdominal appendages a 

 little longer than the body ; hemelytra slightly ampliated. 



Length 15 to 20 ; breadth between post, pronotal angles 4| to 

 5 millim. 



Hah. Bengal {Vienna Mus.). Assam {Chennell). Calcutta 

 Tanks {Ind. 3Ius.). Bombay (Leith 4' Dixon). Ceylon ; Colombo 

 {Leivis). Burma; Teiuzo, Ivarennee {Fea). — Borneo {Vienna 

 Mus.). 



Genus RANATRA. 



Ranatra, Fabr. Si/st. Hki/n;/. p. 108 (1803) ; StSl, Hem. Afr. iii, 

 p. 189 (1865) ; Mayr, Reise Nov., Hem. p. 189 (1866). 



Type, R. Jiliformis, Fabr. 

 Distribution. Almost universal. 



Body very long and narrow" ; head including eyes broader than 

 anterior margin of prouotum ; eyes very prominent ; prouotum 



c2 



