OF PSEUDOCOCCIDAE & ERIOCOCCIDAE 167 



penial sheath medially continuous ; their projections as well as the processes of penial sheath 

 absent. Aedeagns with a large internal genital aperture. Setae of genital segment : Dor sally 

 3 setae always present on each side near the base of the style ; ventrally 2-3 (2-1) smaller setae 

 occur on each side of the penial sheath. Style also usually with 3 latero-dorsal minute sensilla 

 on each side. 



Material : 10 specimens examined, collected by G. De Lotto, on Lonicera 

 battiscombei Hutch., in Nairobi, Kenya, 8.xi.io,62. 



ERIOCOCCIDAE 



ERIOCOCCUS Targioni-Tozetti, 1868 



Eriococcus araucariae Maskell 



(Text-figs. 39, 40) 



Macropterous forms only known ; living specimens light brown in colour. A moderately 

 robust species, moderately large, with comparatively short antennae and moderately long 

 legs. Mounted specimens 1078-1344 (1218)0 long, 308-364 (336) (j. wide at mesothorax and 

 2016-2324 (2170)0. wing expanse. 



Body setae : Antennae and legs with numerous, approximately 15a long fleshy setae and 

 slightly longer hair-like ones ; the body with hair-like setae only. 



Head : Subtetrahedron ; subtriangular in dorsal view and more or less rounded in front 

 view ; ventral preocular depression hardly indicated in lateral view. Length from apex to 

 postoccipital ridge 420-518 (462)0 from apex to neck 756-826 (798)0 ; width across the genae 

 980-1106 (1036)0. Midcranial ridge cruciform ; dorsal arm short, jointed to the ventral and 

 the lateral arms at the apex of the head (Text-fig. 39, B). Postoccipital ridge strongly developed, 

 with the lateral extremities sharply bent posteriorly and giving off a short sclerotization 

 anteriorly. Dorsomedial part of epicranium narrow and slightly raised. Preocular and post- 

 ocular ridges widely separated ; the latter ventrally articulates with a small additional ridge ; 

 preoral ridge slender. Eyes : Dorsal simple eyes projecting well beyond the outer margins of 

 the head in dorsal view ; their corneae 34-40 (38)0 in diameter and separated by 1 10-125 

 (116)0, i.e. 2-9-3-4 (3' 2 ) times their diameter apart. Ventral simple eyes 27-34 (3 1 )" m 

 diameter and 21-24 ( 2 3) u apart. Lateral ocelli anteriorly attached to the postocular ridges. 

 Ocular sclerites weakly sclerotized. Cranial apophysis apically bifurcate. Anterior tentorial 

 arms join the cranial apophysis separately ; tentorial bridge comparatively stout. Dorsal 

 head setae 8-1 1 (9-1) on each side ; each gena with 3-6 (43) genal setae. Ventral head setae 

 on each side : Setae between the ventral eyes absent ; 14-22 (17-8) forming on both sides a 

 transverse band in the area of the ventral preocular depression ; 3-5 (41) longitudinally 

 arranged anteriorly. A peculiar organ of obscure homology (X) always present on each side 

 of the dorsal arm of the midcranial ridge near the apex of the head. 



Antennae : Rather filiform ; normally 10-segmented, with occasional fusion between two 

 adjacent segments of the fiagellum ; 516-622 (564)0 long, i.e. as long as or slightly shorter 

 than half the total length of the body, the ratio being 1 : 2-0-2-3 ( 2 ' 2 )> ar >d nearly as long as 

 the hind legs, the ratio 1 : 1-0-1-2 (i-i). Scape 40-46 (42)0 long and 37-43 (40)0 wide at 

 base ; with 4-5 (4-3) h.s. Pedicel 61-70 (67)0 long and 34-40 (37)0 wide ; with 13-24 (168) 

 f.s., 20-28 (26-0) h.s. and a sensillum placodeum. Fiagellum : Flagellar segments about 240 

 wide, with the preterminal segments somewhat wider. Segment III club-shaped and longest 

 of all, the ratio its length to the length of segment X 1-4-1-7 (1-5) : 1, and the ratio its width 

 to its length 1 : 3-4-4-0 (3*8). Segments IV to IX barrel-shaped, the ratio width to length 



