246 



Winged male similar to apterous form. Antennae nine- 

 jointed. Joint 9 subequal with 2. Joint 2 is one-third longer 

 than broad. Joint 3 with petiole. Joints 1 and 2 twice as 

 broad as 3, 4 and 5. Joints 6, 7 and 8 are broader than 3, 

 4 and 5, but not qnite as broad as 1 and 2. Joint 4 is short- 

 est. All joints with niimerons hairs and 8 with two stout 

 bristles. Legs longer than antennae, quite stout. Femur 

 plus trochanter equal to tibia. Tarsus about half as long as 

 tibia. A few long hairs on femur and tibia on their margins. 

 Tibia with two very stout spurs at its end. Tarsus with stout 

 hairs on its inner margin. Digitules fine hairs. Claws very 

 slender, long and straight, with sharp point, no digitules; at 

 least none observed. 



Habitat. — On various palms, Cocos nucifera, Latania glau- 

 caphylla, Thrynax and Areca lutescens, at Honolulu, Hawa- 

 iian Islands. This species has more the appearance of a 

 Pseudococcus, on account of the thick secretion on the body 

 and the marginal tufts. 



Nesococcus plpturi sp. n. 



Adult female viviparous, about 1^2 mni. long by 1 mm. 

 broad, moderately convex, light lemon yellow, thickly covered 

 with fine, glossy hairs on dorsum, nor hiding color of insect. 

 Segmentation indistinct. Legs and antennae same color as 

 body, or a trifle darker. Ventral part of body naked. When 

 placed in KOH body turns orange brown and derm becomes 

 transparent after boiling. Dorsum thickly covered with slen- 

 der bristles, and round pores on each segment near margin, 

 formnig clusters of four or six pores as marginal patches. 

 Antennae of seven joints, although specimens also show six- 

 jointed antennae when third joint has not divided. Joint 7 

 longest, then joint 2. Joint 1 is twice as broad as long at 

 its base. Formula of seven-jointed specimen is: 7, 2 (3, 4, 

 6), 1, 5, or 7, 2 (3, 4), 6, 1, 5. Each joint bears long, fine 

 hairs, especially the last joint, which has numerous long, fine 

 hairs. Antennae as well as the legs are short and stout. 

 Femur is quite swollen. Tibia is two times longer than tarsus. 

 Trochanter plus femur is subequal with tibia ])lns tarsus. 

 Claw is long and sharply curved, with short, stout, curved, 

 club-shaped digitules. The digitules of the tarsus are long, 

 fine, knobbed hairs. The trochanter has a very long, fine hair 



