BY FREDERICK A A. SKUSE. 411 



462. Zygoneura maculipennis, sp.n. 



(J. — Length of antennae 0-070 inch ... 1-77 millimetres. 



Expanse of wings 0-090 x 0-033 ... 2-27x0-84 



Size of body 090x0-015 ... 2-27x0-38 



2- — Length of antennse 0070 inch ... 1-77 millimetres. 



Expanse of wings 0-108 x 0-037 ... 2-74 x 0-90 



Size of body 0-125x0-020 ... 3-16x0-50 



(J. — Antennae slender, nearly as long as entire body, black, 

 densely covered with greyish pubescence ; joints of scapus brown, 

 sparingly pubescent ; flagellar joints cylindrical, 2 to 3 times as 

 long as broad, with short pedicels. Head black, nitidous. Eyes 

 contiguous above. Palpi yellow. Thorax black, nitidous, with 

 three very indistinct rows of very short hairs ; a few short hairs on 

 lateral borders. Halteres black, the stem yellow. Abdomen black, 

 sub-nitidous, densely clothed with black or dark brown hairs ; 

 forceps black. Coxae and femora yellow, the hind femora with 

 the apical half brown ; tibiae greyish-yellow ; tarsi blackish, the 

 basal half of the first joint greyish-yellow. In the fore-legs the 

 tibiae very slightly shorter than the tarsi ; in the intermediate-legs 

 the tibiae slightly longer than the tarsi ; in the hind-legs the tibiae 

 about ^ longer than the tarsi. In all the legs the first joint of 

 the tarsi as long as, in the hind pair very slight longer than, the 

 remaining joints taken together. Tibial spurs short, yellow. 

 Wings pellucid, almost hyaline, with an indistinct pale brownish 

 cloud over the basal portion of the fork of the third longitudinal 

 vein ; veins brown ; brilliant reflections. First longitudinal 

 vein joining the costa considerably before the base of the fork ; 

 cross-vein distinct, situated considerably beyond the middle of the 

 first longitudinal vein ; petiole longer than the posterior branch of 

 the fork ; anterior branch very much arcuated, the posterior one 

 undulated ; their tips not divergent ; tip of posterior branch slightly 

 nearer apex of wing than tip of second longitudinal vein, fg 

 twice the length of ffh ; kl longer than Im. 



