uoTiuaoMvmiEX. ;jOo 



•distinct as in '1\ melanocephahtra. Pedicel and abdomen as in that 

 species ; the latter, however, proportionately slightly shorter. 



Leagtli. ^ I'o mm. 



Hah. ]?ecordecl so far from AVesteni India only (WroKt/htou). 



Genus BOTHRIOMYRMEX. 



'raphioiua. pt.. Roger, Berl. eat. Zeit. vii (1863), p. 16o. J. 

 HvpdL'liiic.i, pt., Mayr, Beitr. Xaturk. Preussen, i (1868), p. 50, pi. i, 



'lio-s. 0-7, & pi. iii, figt?. 42-46, v $ d" • 

 I JotluioraATmex, Emen/, Ann. yius. Zool. Univ. Nap. \ (I860), 



p.iir." 



Type, B. rneridio)Hdi.<, ]\oger, from Italy and Spain. 



Ranrjc. Pala^arctie. Ethiopian, Indo-Malayan, and Australian 

 regions. 



5 . Has somewhat of the same characters as the genus Ta^.'i- 

 Homa, Furst., but the wjiole insect is broader in pro])ortiou to 

 its length, the head being nearly square, ahnost as broad in front 

 as ])osteriorly, the cheeks straight and not convex ; mandibles 

 narrower, when closed hidden under the anterior margin of the 

 clypeus, which is not incised as in I'apiaoma ; antennaa 12-jointed. 

 the apical joint as long as the preceding three joints ; eyes pro- 

 portionately much smaller. Thorax broad in front, compressed 

 l)osteriorly ; the pronotum proportionately broader in front than 

 iu Tiqnitoiiia, and lo)iger than the mesonotum ; the pro-meso- and 

 meso-metanotal sutures distinct ; the metanotum with a still 

 shorter basal portion than in Tapiaora<i, and an obliquely truncate 

 apical portion ; legs shorter and stouter than in Tapinoma. 

 IVdicel and abdomen very like those in Tapinoma, but shorter and 

 ])roader, and the node of the pedicel distinctly raised and not 

 flattened on the pedicel. 



2 . Mandibles triangular, with 6 teeth ; clypeus wide, bisinuatc^ 

 along the anterior margin ; frontal area triangular, depressed, 

 longer than broad, anteunal and clypeal hollows confluent ; 

 anteunal carina? short, wide apart ; antennie 12-joiuted, somewhat 

 massive. Thorax and abdomen much as in Tapuioma, but propor- 

 tionatel}^ more massive ; the pedicel with an erect node ; wings 

 with one cubital and one discoidal cell. 



S . Mandibles nan'OA\er than in the 2 , acute ; clypeus trape- 

 zoidal, convex ; eyes very large, ocelli prominent ; antenna) as 

 usual in 6 ., with 13 joints, the joints much longer proportionately 

 than in the $ . "^rhorax and :djdomen as in the $ , but narrower. 

 Pedicel with the node thick, rounded abo\e. 



Keif to tJie S/jecica. 



I', llcatl. ihoiax aurl abdomen hrowiiisli black ; 



maiidible.s armed witli 7 teeth B. tvahhi, p. ;30(i. 



t). Ilt'ail, tliorax and abdomen some shade of 

 yellow or brownish yellow ; mandibles 

 armed with 4-6 teeth. 

 VOL. 11. X 



