OBSERVATIONS ON SCALE-INSECTS (COCCIDAE) — IV. 



27 



shining, and without fovea or lateral tubercles. Antennae of six segments, the 

 3rd being as long as the 4th, 5th, and 6th together ; the last three segments with 

 stiff and bluntly pointed, spinose hairs. Legs small ; hind femora very short and 

 often distinctly incrassate ; hind tarsi equal in length to the tibiae, or sometimes 

 slightly longer. Claw very short ; lower digitules very long and stout ; upper 

 digitules normal. Stigmatic clefts well defined, but relatively small ; stigmatic 

 spines very small and pointed, bases not constricted ; basal attachment (disk) very 

 large. Caudal process (after maceration) transparent and somewhat flexible ; sides 

 with an irregular double row of short spinose hairs, and in addition to these there 

 are two pairs of longer hairs (one pair of which is twice the length of the others) 

 slightly ventral to the row of short ones and towards the distal extremity. Anal 

 lobes short and highly chitinised. Dorsal pores very small, rather widely separated. 

 Ventral integument opposite the caudal process, with rather extensive groups of 

 circular pores, many of which, in well cleared specimens, are linked together with lines 

 of dark chitin. Length, 4-7 mm. 



Female, second stage. Pyriform, the sides without tubercular projections ; caudal 

 process long. Eyes relatively large. Antennae of six segments and very similar 



Fig. 18. Ceroplastes destructor, Newst., £ ; a, antenna ; b, puparhim. 



to those of the old adult female. Legs small ; tibiae and tarsi of equal length. 

 Stigmata large ; parastigmatic glands extending in a broad band to the stigmatic 

 clefts. Stigmatic spines 40-50 in number, one of which is considerably larger than 

 the rest ; there is also a single long simple spine on either side of the group, near 

 the extreme margin. Ventral group of circular pores slightly larger than those in 

 the adult, and the chitinous strips connecting them are absent. Dorsum thickly 

 studded with spinnerets, which are interspersed with short stout spines dilated 

 distally. Caudal process absent. Length, 2-3*7 mm. 



In the second larval stage of the female the waxen appendages are arranged in a 

 very similar way to those in Ceroplastes ceriferus, Anderson. 



Male puparium (fig. 18, 6). Elongate, faintly yellowish white or faintly greenish 

 yellow ; texture hard, glass-like and opalescent ; dorsum with a central boss-like 

 patch of white secretion ; margins with three relatively large, opaque, white appen- 

 dages, which are often sub- divided. Anterior extremity with three similar but much 



