(262! 



FIGURES 462-465. P o t a m o ph y 1 a x 1 a t i pe n n t s Curt, (after Hickin): 



462 -head, dorsal (A) and ventral (B); 4G3 - thorax and abdominal segment 1, dorsal 

 464 -foreleg (A), midleg(B); 465 - larva in case (A), case, posterior (B). 



Pronotum mainly dark, chestnut brown; punctation in posterior part on 

 darker background; groove in anterior third slightly dark in middle; 

 anterior margin blackish brown; posterior margin with wide, black stripes. 

 Mesonotum darker than pronotum, chestnut brown, with yellowish posterior 

 angles; lateral margin broadly black in posterior half. Tergites of meta- 

 thorax dark, distinct (Figure 463). 



Legs brown. Primary ventral setae of fore femur in form of 2 light 

 spines; posterior seta short, situated more basally (Figure 464). 



Abdominal segment 1 with numerous, short setae on small sclerotized 

 dots (Figure 463). 



329 



