ART. 17. MONOPHLEBINAE AND MARGARODINAE—MORRISON. 29 
and finally with an irregular band of considerably larger, scattered, 
circular, tubular, open center pores, similar to those of IJcerya sey- 
chellarum and purchasi, for example, each with about six to eight 
widely separated loculi; these also occurring between head and anal 
opening in about six clusters; derm setae, so far as noted, of one 
sort only, long, slender, tapering, all with a distinct basal collar, 
Fic. 13.—STEATOCOCCUS NUDATUS (MASKELL). ADULT FEMALE. A, LEG, X57.5; B, ABDOMINAL 
SPIRACLE, X440; C, ANTENNA, 57.5; D, CLAW, X165; E, SECTION OF DORSAL DERM ANTERIORLY 
AT MARGIN, X220, WITH DETAILS OF PORES, X1,500; F, CRosS SECTION THROUGH ABDOMEN 
(DIAGRAMMATIC); G, LONGITUDINAL VERTICAL SECTION THROUGH BODY, X7.5; H, DISK PORE, 
1,500; I, SECTION OF DORSAL DERM, X220, WITH DETAILS OF PORES AND SETA BASE, X1,500; 
J, OUTLINE OF BODY FROM ABOVE, X12. 
these setae varying greatly in size and relatively very large along 
the body margin and in the anal ring region; anal opening a simple 
ring with a short, simple, somewhat chitinized tube; with a single, 
large, approximately circular, ventral cicatrix. 
Larva.—Elongate ovid, broadest before the middle, length about 
821yu, width about 465u; antennae 6-segmented, the measurement in 
