'i4('t 'I'li'UMD.i;. 



HIS. Pacliyrhiua concolorithorax, sp. nov. 



(f V- //'■"'/ <l(!(ip oriinge-yellow ; iinteniial Hcape briglii yoUow, 

 llaf,'(-!lluin wholly black ; ])robo,sci.s oraiige-ycllow, labella ami i)alpi 

 (lark brown. Thorax briglil, oraiig(!-yollow, with faint traces oi' 

 the usual tlir('(; dorsal stripns aiid post-sutiiral spots, barely darker 

 Ihauthe ground-colour. !Slij,ditly h^iiiou-yellowisli at sides below 

 wings ; sciitellum and ineliinol iiin brit^dit orang(!-yollow, unmarked. 

 Alxlomeu. bright orange-yellow; a black mark on 1st segment; 

 tlm -Jnd or;iiige-yello\N , black on |)oslcri<)r bord(M' ; the reniainitig 

 segMKMils dull light yellow, with pijsterior borders rather broadly 

 black, and with irregular bla/'k marks on the yellow jjaiTs ; last 

 segment, wholly black. Helly mainly yellowish. ()vii)osil()r 

 shining brownish yellow. Leif.s: co.xa! orange-yellow, i'emora light 

 brownish yellow, tibia; and tarsi dark brown. I rvv*//* nearly clear; 

 stigma dark brow n, well marked ; discal cell oblong, nearly twice 

 as long as broad, the I wo prongs ol' the; up|)er branch ol' Irh 

 lojigitiidinal v(un issuing separatidy but closii together. Jialteres 

 orange, clubs blackish. 



Lcii(//h 12 millim., witlutut ovipositor. 



Described from a siiigh; male from the Khasi J I ills, lOOO- 

 3000 ft., iii. 07, aiul a female frcjm Sylhet, 18. i. 04 (L(.-('ol. 

 Hall). 



'/';//Ks, <( in t,h(^ I'lisa collection, V ''i ^1"' Indian Museum. 



The unirormly orange thoi'axat once separates this species from 

 all other ( )riental ones. 



249. Pachyrhina consimilis, Jinm. 



I'uckyrhhia conshnilin, Ikmietli, liec. Ind. JNIiis. vi, p. 2()8 (li)ll). 



6 $. lleitd dee]) chrome-yellow; j)roboscis generally, a littler 

 iigliter, with a wide; dai'k brown stripe on the upperside and 

 dark brown lai)ella ; palpi also dark brown. Back of head at 

 junction with tboi-ax with a dark bi-ov/n triangular mark. An- 

 tennal scajio d(!e|) yellow, llagellum black, the joints distinctly but 

 only slightly thickened at the base, verticillaie hairs short ; som(;- 

 times in tlu! female the antenna is dark brown, the second joint 

 of the scape being also tinged with brown. T/wra.r deep chrome- 

 yellow ; the throe dorsal striates deep black, shining, very clear cut ; 

 the median one, which attains the anterior margin, mor(^ or hiss 

 extended downwards along the edge behind tlu^ ])rotliorax, on 

 which tluM'e is often a l»rown s|)ot or streak on each side in this 

 vicinity; the outer dorsal 8tri|)es turning sharply down over the 

 sitles at their tips, their limits hhar|)ly delined ; the [)ost-»utural 

 tdongate spots equally deep shining black and clearly cut, reachij)g 

 from above the root of the wing to the scutellum. Ncutellum 

 light livid brown, sometiim^s yellowish, with or without a brownish 

 Ol- blackish mark in tlie centre; molanotum bright chrome-yellow, 

 with a more or less distinct narrow or modc^rateiy wide browtiish 



