125 



COCCIDAE FROM THE SEYCHELLES. 



By E. E. Green and F. Laixg. 



Pseudaonidia iota, sp. n. 



Adult female pyrifonn, broadest across the meso- and metathorax ; cephalo- 

 thoracic area rounded in front, slightly contracted behind, where there is a well-defined 

 transverse grove ; abdomen tapering to the posterior extremity ; frons and margins 

 of thorax and abdomen with a few spinifonn setae. Antennae rudimentary, each 

 bearing a single long straight seta. .Anterior spiracles with a small group of para- 

 stigmatic pores (tig. 1, A). Pygidium with a well defined, strongly chitinised, 

 pyriform, reticulated area, the lacunae oval or round, and disposed regularly ; the part 

 posterior to the anus, very heavily chitinised, obscuring the lacunae. Circumgenital 

 glands present, consisting of a continuous arch representing the united median and 



Fig. 1. Pseudaonidia iota, sp. n. : A, adult, x 30: B, pygidiam, < 150; C, margin of pvgidium, 



X 2.50. 



anterior lateral groups, with the posterior laterals separated bv a short space ; the 

 anterior laterals show signs of being in two rows. Dorsal pores numerous, 

 comparatively small, circular, arrangecl in longitudinal series on each side of the 

 P}'gidium, and extending on to the margins of the abdomen ^fig. 1, B). Pxgidial 

 margin with three pairs of lobes and numerous angular projections laterad, each lobe 

 notched on the outer side ; two pairs of conspicuous claviform paraph vses. each 

 with a large separate circular knob like the dot of an / (fig. EC). I,ength. 1 mm. ; 

 greatest breadth about 0-75 mm. 



Described from a single example. 



On upper surface of leaf of Eugenia caryophyllata, Seychelles (P. R. Diiponf). 



The paraphyses of this species resemble those to be found in P. lacinia. Brain 

 (Bull. Ent. Res., ix, 3, p. 207, March 1919), but the two species mav be readilv 

 separated by the absence of circumgenital glands in the latter. 



Pseudaonidia aldabraca, sp. n. 



Puparium of female more or less circular, brownish, parth- o\-erlaid \\ith grc\ish- 

 white secretion. Diameter approximateh" 2 mm. ; exuviae subcentral. 



(3442) ■ K 2 



