40 ENTOMOLOGICAI. NEWS. [Feb./lQ 



Prothorax with a large broad tubercle on each side and abdomen 

 with a series of smaller tubercles along each side. 



Cauda curved upward and knobbed at the tip. 



Measurements. — Length of body 2.5 mm. Length of antennal seg- 

 ments, III, 0.35 mm.; IV, 0.25 mm.; V, 0.25 mm.; VI, base, 0.166 mm.; 

 spur, 0.46 mm. 



Alate viviparous female. — General color of antennae, head and 

 thorax, black. Abdomen light green, with darker green bands as in 

 the apterous female. Antennae and legs dusky to black except the 

 base of the antennae and the basal two-thirds of the tibiae. 



Third antennal segment with numerous round sensoria of irregular 

 size and with a thick edge. Fourth segment with three to six or more 

 similar sensoria and fifth with none to two or three small ones besides 

 the usual large sensorium near the distal end. 



Prothorax with a large wide tubercle on each side and a series of 

 unusually conspicuous tubercles and hairs along each side of the ab- 

 domen. 



Wings with two cubital veins and the median vein with two forks 

 the terminal branch about one-third the distance from the tip to point 

 where the first branches. In several individuals at hand the second 

 cubital vein is also forked close to the edge of the wing. In the hind 

 wing it is not uncommon to find the median vein branched near its 

 base. The wing veins conspicuously brown. 



Measurements. — Length of body, 2 mm. Length of antennal seg- 

 ments, III, 0.41 mm.; IV, 0.31 mm.; V, 0.27 mm.; VI, base, 0.18 mm.; 

 spur, 0.52 mm. 



Apterous male. — Only apterous observed. Head blackish, thorax 

 dusky and abdomen yellowish and slightly dusky with three paler longi- 

 tudinal areas. Antennae black, legs dusky, cornicles and cauda con- 

 colorous with abdomen. 



The spur of the sixth antennal segment nearly twice as long as the 

 third ; small sensoria on all, excepting the two basal segments, irregu- 

 larly placed and in numbers as follows : Third segment with none to 

 six, fourth with 8 to 19, fifth with 14 to 17, not including the usual 

 distal one, and base of segment six with none to 2. not including the 

 usual group at apex. Body bearing conspicuous tubercles along each 

 side as in other forms. 



Measurements. — Length of body, 1.25 mm.; width, 0.51 mm. Length 

 of antennal segments, III, 0.19 mm.; IV, 0.14 mm.; V, G.16 mm.; VI, 

 base, 0.09 mm. ; spur, 0.35 mm. 



Cotypes in the collection of the U. S. National Museum and 

 the authors' collection. 



