.ecaniince. 237 



LECANIUM (PARALECANIUM) MARGINATUM {Green). 



(Plate LXXXVII.) 



Lee. marginatum, Green, ' Catalogue of Coccidje,' Ind. Mus. Notes, Vol. IV. 



No. I (1896). 



Adult 9 [fig. 2) oval, bluntly pointed in front ; flat, or very slightly convex 

 above ; under surface with a large shallow cavity on each side, extending 

 almost to the anterior border of the mesothorax {fig. 3). Colour bright 

 reddish fulvous ; a well-defined pale (almost colourless) zone between the 

 median and marginal areas, bordered on each side by a narrow yellowish line, 

 and demarked from the marginal zone by a thin brown line ; a thin reddish line 

 bordering the median area in front, converging behind towards the centre, 

 enclosing a paler area. Derm without conspicuous cells. Eyes minute, black, 

 situated on the outer edge of the colourless zone. Marginal flabelte transversely 

 oval {fig. 4). Margin crenulate; from four to six indentations in each interval. 

 Stigmatic cleft {fig. 7) with three (rarely five) stout spines. Scales of anal 

 operculum {fig. 6) pointed ; base almost equal to outer edge ; outer angle 

 rounded. Antenna {fig. 8) with six joints ; third very long, nearly as long as 

 terminal three together ; sixth as long as or longer than previous two together, 

 a deep incision near its proximal end. Leg {fig. 9) small, tarsus scarcely 

 more than half length of tibia. Length 2 to 2-25 mm. Breadth i'5o mm. 



Adult i {fig. 12) pale reddish to dark purplish brown. Wings strongly 

 iridescent ; costal nerve bright pink. Head {fig. 13) broadly dilated at sides. 

 Antenna {fig. 14) shorter than body, ten-jointed; third longest; subsequent 

 joints decreasing in length, three knobbed hairs at apex of tenth {fig. 13). 

 Genital sheath slender, sharply pointed ; about one-fifth length of body. Caudal 

 filaments long and slender ; opaque white. Length i2"5 mm. 



Male puparium {fig. 10) glassy, colourless ; oblong oval ; divided into 

 eighteen plates, the divisions marked by raised white lines. Length r6o mm. 



Male larva very pale green ; an interrupted diffused reddish median dorsal 

 stripe. Shortly before pupating the dorsal plates are distinctly demarked 

 {fig. II). 



Eggs and young larvse pale pink. 



Habitat on upper surface of leaves of Pyschotria thwaitesii j the male 

 puparia attached to extreme edge of leaf. Pundaluoya. 



