194 



K. E. GREEN. 



Nymphal pellicle indented at each side between the cephalic and thoracic areas. 

 Pygidiiim with five conspicuous elongate paraphyses on each side. Length, 0'65 

 "to 0"7 mm. 



Crowded on fronds of Cocos nucifera. Anse aux Pins, Seychelles. 



Gymnaspis grandis, sp. nov. (fig. 2). 



Female puparium (fig. 2, a) consisting of the naked nymphal pelhcle, which is 

 .approximately hemispherical, jet black and highly poHshed. Diameter, I'-j mm. 



[Fig. 2. Gymnaspis grandis, Green, sp. n. ; o, group of puparia, nat. size; 



b, adult ?, X 30; c, pygidium of adult ?, X 280; 



(L posterior margin of nymphal pellicle, X 135; 



e, posterior margin of embryonic larva, X 280. 



Adult female (fig. 2, b) circular, the pygidium slightly projecting. Rostrum large, 

 densely chitinous. Pygidium (fig. 2, c) with posterior margin quite simple, devoid 

 of lobes, spines or processes of any kind : a moderately deep median marginal 

 indentation. Anal orifice near the extremity. Genital orifice covered by a chitinous 

 fold. There are no circumgenital glands or pores of any kind. Diameter of female 

 (under compression) r25 to I'b mm. 



Posterior extremity of nymph (fig. 2, d) with four small simple lobes which scarcely 

 project beyond the margin but are extended inwards, disposed close together. 

 •Outside the lobes, on each side, are two large, deep and conspicuous clefts, which 

 probably represent modified marginal pores. 



