62 THE CANADIAN ENTOMOLOGIST. 



Measuremefits. — Length of body, 1.55 mm.; width, .67 mm. Length 

 of antennal segments, I, .045 mm.; II, .066 mm.; Ill, .3 mm.; IV, .13 

 mm.; V, .12 mm.; VI, .13 mm.; spur, .22 mm.. Length of wing, 1.86 

 mm.; total wing expansion, 4.17 mm.; length of nectaries, .59 mm.; 

 Cauda, .09 mm. 



Apterous viviparous female. — General colour greenish-yellow, tinged 

 with brown. Body quite flat, slightly rounded above, cauda slightly 

 darkened at the tip. Antennae less than one-half the length of the body, 

 and with but five segments, spur of the fifth slightly longer than the seg- 

 ment. Nectaries one-fourth the length of the body, and swollen in the 

 middle. Cauda short and triangular. 



Measurements. — Length of body, 1.55 mm.; width, i mm. Length 

 of antennal segments, 1,-045 nnnrj-^ H? -045 mm.; Ill, .18 mm.; IV, .066 

 mm.; V, .c66 mm.; spur, .135 mm.; length of nectaries, ,58 mm.; cauda, 

 .09 mm, 



Specimens collected on seed pack of Car ex sp.; quite numerous in 

 swamps, with two to ten specimens on a plant. Batesburg, S. C, summer 

 of 1 910. 



Perga?ideida ?iigra, n. sp. 

 Aiate viviparous female. — General colour grayish-black, antennae, 

 except segments one and two, and tibia and tarsi yellowish. Wings 

 hyaline, veins dusky. Antennae shorter than the body, six-segmented and 

 not on antennal tubercles. Segments three to six and spur slender, one 

 and two stout. Spur of sixth segment longer than third segment, third 

 with four to seven large round sensoria more or less regularly placed. 

 Head with a prominent frontal ocellus and raised at the inner base of each 

 antennae. Prothorax with a single dentate projection on each side. 

 Abdomen also with a single protuberance on each side close to those of 

 the thorax. Wings long and robust, with the second fork of the median 

 vein running close to the edge of the wing. Abdomen robust, and with a 

 number of protuberances on each side. Nectaries twice as long as broad 

 and tapering. Caudal plate broad and tapering. 



Measjtrements. — Length of body. .89 mm.; width, .39 mm. Length 

 of antennal segments, I^ .039 mm.; II, .039 mm.; Ill, .15 mm.; IV, .104 

 mm.; V, .09 mm.; VI, .065 mm.; spur, .26 mm.; nectaries, .065 mm.; 

 cauda, .07 mm. 



