THE CANADIAN ENTOMOLOGIST 



31 



Protodiaspis lobata, n. sp. 



Fig. 8. 



Type, Host and Locality.— Taken from an herbarium specimen of Qitcrnis 

 gambelii, from four miles east of Sanla I" e, New Mexico. 



Habit. — Scale of the female as in P. aiirifnlitv, that of the male elongate, 

 slender, white and non-carinate. 



Adult Female. — Length .4 mm., form broadly oval. Derm everywhere 



membranous, exce[)t for a very small 

 area immediately about the anal ring, 

 one or two irregular, very small areas 

 on the dorsum of the pygidium and the 

 lobes. Dorsum of the pygidium with 

 numerous scattered ducts and the mar 

 gin of the body likew^ise with a continu- 

 ous zone of such ducts. Margin of the 

 body also with a practically continuous 

 row of small gland spines. Pygidium 

 with two pairs of small, irregularly- 

 shaped lobes and with two or three 

 pairs of small gland spines. Circumgenital pores lacking. 



:§ 



Fig. S. — Frolodiaspis lobata. n.sp. Pygidium. 



Protodiaspis pulchra, n. sp. 



Figs. 9, 10 and 11. 



Type Host a?id Locality. — From herbarium specimen of Qiierciis toumeyi, 

 from Pedestal Rock, Chirica- 

 hua Mts., Ariz. 



Habit. — Scale of the female 

 as in P. agrifolice; scale of the 

 male not seen. 



A dull Female — Length 

 .5 mm.; form slightly elon- 

 gate oval or somewhat irreg- 

 ular (Fig. 9A) ; cephalothorax 

 and pygidium tending to be 

 quite heavily chitinized. 

 Pygidium (Fig. 10) some- 

 what acuminate, the tip nar- 

 rowly rounded. Two pairs 

 of lobes present, the inner 

 pair quite close together and 

 widely separated from the outer pair. Outer lobes composed of two lobules, of 

 which the outer is the smaller. Dorsum of the pygidium with numerous scat- 

 tered and very small ducts. Anal opening closer to the anterior margin of 

 the pygidium than to the posterior, and slightly cephalad of the vaginal 

 opening. Margin of the body with a continuous zone of small ducts, but 

 without gland spines. 



Fig 9. — Protodiaspis pulchra, n.sp. A, adult female; 

 B, exuvia of second stage. 



