1903.] H. W. Peal — Monograph of the Oriental Aleurodidse. 81 



parent white colour. The chalcid parasitising this insect has its head 

 and thorax black, abdomen brown. 



Adult female. Size 1*1 mm. Wing 116 mm. x '52 mm. 



Head and thorax light brown, abdomen yellow. Ventrally last two 

 segments of abdomen tinged with grey along centre. Legs semitrans- 

 parenfc, tinged with grey, joints yellow. Byes reniform, maroon. 

 Wings white with three faint bands of grey running diagonally across 

 wing. Nervure dark grey where the bands cross it. Hind wing imma- 

 culate. Body and legs powdered with white meal. Antennae '32 mm. 

 in length. Formula 3, 2, 7, (4, 5, 6,) 1. The first joint is short and 

 flat ; the second joint stout, pyriform, about three times the length of 

 joint one ; the third joint long, thin, cylindrical, about two-and-a half 

 times the length of joint two; the fourth, fifth, and sixth joints equal, 

 the three together about equalling joint three in length ; the seventh 

 joint thin, slightly longer than joint six. 



Vasiform orifice oval, anterior edge flattened. Operculum similar 

 in shape but slightly smaller being only about two-thirds the size of the 

 vasiform orifice. The posterior edge is concave. Lingula long, cylin- 

 drical, projecting about one-third of its length beyond operculum. 



Adult male. Length "95 mm. Wing J 05 mm. x "48 mm. Anten- 

 nas '25 mm. 



Markings of wing similar to that in female. Entire body yellow, 

 legs as in female. Two small tubercles on last segment of abdomen just 

 above forcipate process. I have found this species on pepul {Ficus 

 religiosa) in and around Calcutta. It is extremely abundant after the 

 rains (October-November). 



5. Aleurodes simula n. sp. Plate III, Figs. 1-14. 



Egg. Size '2 mm. x '09 mm. 



Colour light yellow when first laid, afterwards turning brown. 

 Peduncle about one-fourth length of egg. Examined while still within 

 the body of the female the eggs are light yellow. The peduncle is 

 curved inwards and pressed against the egg. Colour of peduncle pink, 

 basal end of egg fairly dark yellow. 



Larva 1st stage. Size '25 mm. x '15 mm. 



Shape elliptical. Colour semitransparent yellow; two yellow pig- 

 ment patches in centre of abdominal region. There are a series of 34 

 long hairs right around margin. The four hairs furthest cephalad are 

 grouped in two pairs placed some distance apart. Of the six hairs on 

 caudal margin the inner pair long, the second pair short, and the third 

 pair long. The 24 other setae are shorter than the long caudal setae, 

 they are situated at equal distances apart on the lateral margins. Vasi- 

 form orifice as in the pupa-case, but the operculum is larger proportion- 



