Plate IX. 



(A) 



Orciimi p'mivda Tnkali. 



: Head of ^rowii nymph of winged viviimrO'is fem:ile. 



(Wingless viviparoiLS female) 



2 Dingmm showing the distribution of wiix-pores on 



the dorsum. 



;t Head. 



4. Cornicle. 



(Winged viviparous feraalc;) 



5 Cornicle. 



6 Antenna. 



(B) 



Orcgina laiiiliusicola Tak;i1i. 



(Winged %'ivip;U'c>ii3 female) 



1 Hiud leg. 



2 Cauda, hairs removed. 



y Iinst autennal joint. 



(Full-grown uympli of winged vivipirous femiUe) 



4 Cornicle. 



.') . Head. 



G Antenna. 



(Nympli of tlac Grst inst;ir) 



7 — Haul. 



(Wingless viviparous feraiile) 



8 Head. 



9 Cornicle. 



