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iliijj-elluin dark browii, llie segments willi lou}} , coiispicuous \eilicils. 

 Head Ijiownish yellow, tlie verlex rather narrow. 



Mesonotal |)raescutnin light yeHowish hrown, inoro yellow laLfîrally: a 

 broad, darker hrown médian sliipe; the usual ihiee slripes are very indis- 

 tinct, scarsely darker tban tbe groimd color; on tbe sides et" tbe prae- 

 scutum opposite tbe anterior ends of tbe latéral slripes a small, rounded, 

 dark brown spot, very coDspicuous; scutum ligbt yeliowisb brown, the 

 lobes moregi'eyish brown, niargined along their proximal eJge hy a dnrk 

 hrown line; sculelbmi with tbe médian lobe circuiar in oulline, pale 

 brownish vellow Avilb two small, rounded dark brown spols ou ibe ante- 

 rior balf; postnotum with tbe médian sclerite yellow with two paralld, 

 broad, dark brown lines, tbe latéral sclerites yellow with a conspicuous. 

 small, rounded, dark brown spot, this about twice as large as tbe spot on 

 the praescutum. Pleura yellow. Haltères hrown, tbe base of the stem 

 paler. I^'gs with the coxae and Irochanlers \ellow ; Iciiiora brownish 

 yellow, the tips dark bi-ownisb black; libiae brown, tbe lips nariowly dark 

 brown; larsi dark brown; claws of the maie wilh a subaciile toolb befuie 

 midlength; the iast tarsal segment with two tufls of black bristles on tbe 

 ventral side at tbe base : claws of the female small and simple. W ipgs w ilh 

 a pale brownish linge, tbe costal cell more yeliowisb, subcoslal cell brown; 

 sligma dark bi'own; conspicuous brown seanis along the dellection of 

 lh + i> and r-711, and along the basai defleclion of Cin ■ veins dark brown; 

 macrotrichiae on tbe veins small and sparsc. Venalion as in tbe veliilina 

 group : lis short; cell /?2 very small and aculely pointedat itsinner ead; 

 R3 in alignement with /J2 + 3, nol bent loward /?/, + 5 (as in T. alplins- 

 pis)\ cell Ml large, ils pétiole correspondingly shortened; basai deflec- 

 lion of (Ut] far bevond tbe fork oî M , the fusion of M:\ and Ci(\ sboi'l 



Abdominal tergites largely dark brown, faded in ibe alcobolic type, llie 

 bases of the segments ligbt yellow laterally and destituteof tbe small selae 

 that cover tbe remainder of the segments; dorsomedian line of the tergites 

 still darker; sternites more uniformly ligbt yellow. Maie hypopygium 

 with the ninlh tergile broad basally, Ibe médian area suddenly narrowed , 

 tbe apex deeply notched, tbe latéral lobes ihus formed slender, blackened, 

 tbe acule tips dedected; thèse lobes and tbe enlire dorsal surface of the ter- 

 gile fxcept the base with scaltered small hairs. Pleiual sulnie ii.dicalcd 

 benealb; outer jdeural appendage ])ale in color, very broad, llattened, 

 l'oughly trapezoidal in outlinc with tbe broad base oulward, ihe dorsal 

 oiiler angle sligblly produced; surface of the lobe covered wilh moderately 

 long hairs; inner pleural a|)penda{>e projecting coiispirunnsly beyond Ibe 

 génital cband)er as an eJongate, conical lobe, diiecled caudad, tbe apex 

 roughened inio cons])icuous tubercles, tbe inner lobe projectmg cephalad. 

 INinth sternite ligbt yellow with a shallow, U-shaped médian notch. 

 Eighth sternite unarmed. Gonapophyses appearing as very slender, 



