I 1 GENERA 1' VN 1'Al.A AND TRAMEA, 



Raised male, L'b mm. long; 7 nun. broad; compared with i '-I in small, 



slender, hairless ; head a little narrower than abdomen; eyes large, above no1 very promi- 

 nent, viewed from below very prominent, conical, egg-shaped, beginning in the hind angle 

 and covering entirely the sides of head; internally prolonged in a large flat triangular 

 vertex, nol facetted, but wrinkled; vertex circular, surrounded by a 

 rtat groove; ocelli very slightly indicated: occiput flat, separated above by a short pro- 

 longation of the groove around the vertex: behind a little convex, notched near protho- 

 rax ; on each side four stripes, roughened by shorl darkish spines and between them Hat 

 ted spots: antennae slendi r, iboul as long as head; the two basal joints very little 

 thickest; 1st very short, half the lengtb of 2d; 3d twice as long as 2d, about as long as 4th 

 and ."«th together ; 4th one third of joint 3d ; 6th and 7th longer, the lasl v ery pointed. Mask 



n-shaped, covering the head to base of antennae, extending back be- 



base of middle legs and in young ones as far as the hind legs; rhomboid, large, hol- 

 lowed transversally between the outer angles; forehead produced in a large triangular lobe, 

 tip nearly rectangular ; palpus large, hollowed within, nearly an equilateral triangle ; the 

 edges with nine large flat teeth; on the brown tips of the teeth four spines, the lowest 

 largest, all bent inward ; the denticulations of the opposite palpi do not closely fit into one 

 another. Movable hook short, sharp. Prothorax narrower than head, much rounded be- 

 hind: stigmata free; wing cases reaching nearly end of Cth segment; venation very visi- 

 ble, all veins, including transversals, covered by dark brown lines. Abdomen twice as long 

 as broad, more convex above than below, sides making a very slight curve; segments of 

 equal length, except the last one, which is more than one half shorter, the last three taper- 

 ing ; segments 8th and 9th with very strong and sharp flattened lateral spines ; those of 8th 

 reaching tip. of 9th segment ; those of 9th longer and broader at base ; anal appendages very 

 long and sharp, longer than 8th and 9th segments together, pyamidal, extreme tips of all and 

 of lateral spines black ; the median dorsal appendage very little longer than the inferiors, 



dilated, triangular at base, the upper edge forming a sharp keel; laterals one third 

 shorter, more slender ; inferiors large at base,, tapering, bent up a little ; all as well as lateral 

 spines hairy on edges; ventral longitudinal sutures ending on 9th segment, somewhat before 

 tip ; middle space twice as broad as the lateral, a little broader on basal half of abdomen ; 

 male genitals marked on segments 3 and 9 ; ventral bags on segment 6. Color of abdomen 

 palish ; the dorsum variegated with light brown; segments 4 to 8 each side with two dis- 

 tant black dots, segment 9 with two larger black dots, one underneath the other; indenta- 

 tions on 4 to 8 with a brown semicircular spot ; a brown spot or two near the lateral 

 margin. Legs very slender and long ; widely separated at base, the front legs a little 



hind legs a little longer than abdomen ; tibia about as long as femur, tarsus half 

 as long ; third joint as long as the two basals, first very short ; claws very long, thin, 

 sharp ; femora and tibia; with two broad brown rings on each ; tarsi of the four hind 

 legs blackish except the claws. 



