306 The University Science Bulletin. 



FIFTH INSTAR. 



Size. Total length, 2.7 mm. to 3 mm.; width, 1.5 mm. to 1.6 mm. in wides^t 

 portion. 



Color. Grayish brown speckled or mottled. 



Structural peculiarities. Antennae slender, fovir-segmented as in the other 

 instars; fourth segment larger and stouter than the others; second segment 

 longest and very slender; body, legs and antennae covered with spai-se, short, 

 brown pubescence. Rostrum reaching to the apex of the posterior coxae. 

 Wing pads reaching to base of third abdominal segment. Duration of fifth 

 instar, three days. 



THE ADULTS. 



Size. Length of the entire body, not including antennae and legs: Female: 

 3.5 mm. to tip of abdomen; 3,9 to 4 mm. to tip of hemelytra; width of abdo- 

 men across the widest part, 1.6 mm. to 1.7 mm. Male: length 3 mm. to tip 

 of hemelytra; width, 1.5 mm. 



Description. Oblong-ovate, black above, closely invested with minute yellow 

 pubescence; eyes large, rather oblong, brown, and very prominent. Ocelli 

 reddish and slightly apart. Clypeus and tylus straw yellow; rostrum black 

 and reaching upon the posterior coxae. Ventral part body jet black; sternum 

 and pectus closely appressed with silvery-white pubescence. Legs pale with 

 dark markings. Pronotum and scutellum rather flat, disk of pronotum slightly 

 elevated and with a minute depression in center of disk. Scutellum a Uttle 

 longer than broad. Hemelytra brownish black with grayish-white markings. 

 Clavus with oblong spot at the apex. Corium with two squarish spots near 

 the upper, outer margin and two very small spots on the posterior margin near 

 membrane. Embolium mostly grayish white, there usually being three dark 

 spots along the median nerve connected by a dark-colored line or nerve. 

 Membrane gray with dark veins and furnished with four areas, each having 

 one or more smoky spots therein. Antennae slender, four-segmented; basal 

 segment stoutest, dark underneath, pale above; second segment very slender 

 and almost twice the length of the first segment; third and fourth segments 

 about equal in length and stouter than the second. 



