488 Report of the Entomologists. 



oviparous females and the males were first observed October 21, 

 and the former were found until late in November. 



Several females of this migratoi-y brood were measured with the follow- 

 ing results: Size of body 2.05 mm. by 1 mm. Expanse 8.9 mm.; length 

 of antennffi 2.95 mm.; cornicles 0.45 mm. The marliings on the thorax 

 and abdomen vary. In some instances the spots are more irregular and 

 brolien than shown in the figure. The lateral doi'sal edges of the abdomen 

 are also marked with small, irregular black spots. 



Oviparous female. — Size of body 1.6 mm. by 0.7 mm. General color dull 

 or olive green. Tips of femora, tibia and the tarsi reddish brown. An- 

 tennae 1.9 mm. (Joint III, 0.52 mm.; IV, 0.3 mm.; V, 0.25 mm.; VI, 0.1 

 mm.; VII, 0.6 mm.) Eyes red. Cornicles, 0.45 mm.; dilated near middle, 

 restricted at base, dusky on extreme tips. Cauda prominent, light green, 

 0.15 mm. in length. (Described from specimen in balsam.) 



Male. — Size of body 1.55 mm. by 0.85 mm. General color yellowish 

 green. Head dark green or brown. Meso and meta thorax and abdomen 

 mottled with darker brown or black. From three to four dark spots on 

 lateral dorsal margins of abdomen. Eyes red, antennae on slightly raised 

 tubercules. Length, 3.05 mm. (Joint III, 0.75 mm.; IV, 0.5 mm.; V, 0.4 

 mm.; VI, 0.15 mm.; VII, 0.95 mm.) Legs yellowish or light green with the 

 exception of the anterior third of the femora, tips of tibiae and the tarsi, 

 which are dark brown or black. Cornicles yellowish or light green, dilated, 

 restricted at base, 0.45 mm. in length. Cauda same color as cornicles, 

 0.15 mm. in length, tapering, obtusely rounded at apex. (Described from 

 specimen in balsam.) 



The eggs are shining black and are placed on the twigs. 



Several other species occasionally occur on the currant, but 

 none of them were noticed during the past season in sufficient 

 numbers to do serious injury. 



