196 Psyche [December 



Head prone; frontal tuberosities scarcely visible; densely pubescent; eyes prom- 

 inent, reddish-brown; ocelli small, white; antennae prominent, short and heavy, 

 ending in a fine bristle; beak reaching to third abdominal segment. Thorax brown, 

 pubescent; pronotum greatly developed, covering mesonotum above; wing-pads 

 of both segments well developed, their tips extending equally far posteriorly. Abdo- 

 men light brown, posterior margins of segments darker; sparingly pubescent; each 

 segment except the last armed with a pair of three branched spines above and a 

 transverse irregular growth of hairs around middle. Undersurface of body pinkish- 

 white with patches of brown at lateral margins of abdominal segments below. 

 Legs light mottled brown externally, white below; femora, tibiae and tarsi hairy; 

 claws strong and ferruginous. 



Fifth Instar. 



Measurements: Length 4.5-5.5 mm.; maximum width 1.8-2.2 mm. 



Large, robust, light ferruginous marked with gray, pronotum covering both 

 meso and metanotum above; abdomen with six pairs of heavy branched spines 

 extending down dorsal line; entire body finely pubescent. 



I Head twnce as broad as long, head with eyes wider than the thorax behind it; 

 cljTjeus slightly protruding forward; beak reaching hind coxae; antennae prominent, 

 three jointed; eyes large, red with white borders, curved round the anterior shoulders 

 of the prothorax; ocelli small, white; dark spot on front above each ocellus. Pro- 

 thorax well developed, light brown with gray patches, hairy. Pronotum greatly 

 extended posteriorly, covering dorsal surfaces of both mesothorax and metathorax 

 Wing-pads fully developed, extending to third abdominal segment. Abdomen 

 light ferruginous brown with darker fascia around the middle of each segment; 

 armed with six pairs of heavy, many-branched spines above; last abdominal 

 segment robust and densely pubescent; anal tube straight and black with fringe of 

 fine hairs at tip; underside of abdomen white with reddish lines margining the 

 jsegments. Legs light mottled brown, hairy; claws heavy, fuscous. 



Adult Female. 



Measurements: Length, including tegmina, 5.7 mm.; width between humeral 

 angles 2.6 mm. 



Light chocolate brown with deep brown and yellow-white markings; pubescent; 

 punctate; without pronotal horn; dorsum regularly rounded, sharp at posterior 

 apex; tegmina hyaline, cloudy at base and near middle, extending beyond the poster- 

 ior process, costal area punctate, terminal cell with straight transverse base; legs 

 and undersurface of body uniform luteus. 



Head wider than long, yellow brown, slightly punctate and sparingly pubescent; 

 eyes prominent, dark brown; ocelli pearly white, equidistant from each other and 

 from the eyes and situated on a line drawn through center of eyes; antennae short, 

 three-jointed, the last segment fine and hairlike; clypeus extending slightly below 

 marginal line of lorae when \aewed from the front, sparingly pilose; beak reaching 

 hind coxae. Pronotum finely punctate, pubescent, gradually rounded above the 

 head; humeral angles rounded, not prominent, extending beyond the eyes to a distance 

 equal to the width of the latter; faint percurrent, median carina; posterior process 

 strong, acute, sharp at tip, extending as far as the terminal cell of the tegmina. 

 Color of pronotum yellowish-brown with markings of dark brown and white. Irreg- 



