Lecaniince: 205 



LECANIUM PUNCTULIFERUM, sp. Jtov. 

 (Plate LXX.) 



Adult 9 {Jijf. 6) irregularly oval, narrowed in front ; moderately convex, 

 with a thinner marginal area. Colour varying from reddish-green or reddish- 

 yellow to reddish ochreous, the marginal area usually paler and transparent, 

 often minutely specked with brown, the spots sometimes coalescing into two 

 curved longitudinal fascia;. Eyes black, minute, close to margin. Stigmatic 

 cleft small ; spines three {fig. 9), the median one very long and stout and 

 projecting beyond margin (in one example the long median spine was 

 replaced by two shorter and more slender spines) ; marginal hairs slightly 

 dilated and fimbriate at extremity, intermingled (and sometimes alternated) 

 ■with simple pointed hairs ; submarginal tubercles rather large, five or six on 

 each side. Derm mottled in darker and lighter tints, with small circular or 

 oval cells {fig. 12), sharply defined and conspicuous on the darker parts, 

 inconspicuous on the paler spots. Antenna {fig. 8) with eight joints ; formula : 

 3; 8 (2, 4, 5), I (6, 7), or 3 (2, 8), (i, 4, 5), (6, 7). Legs normal, well 

 developed; tarsus considerably shorter than tibia {fig. 11). Scales of anal 

 operculum {fig. 10) together approximately square, base equal to outer edge, 

 lateral angle rectangular. Length 3 to 375 mm. Breadth 2 to 2"5o mm. 



Male puparium {fis:: 7) glassy, transparent, minutely and irregularly rugose, 

 divided into nine plates. Length 2 mm. Breadth i mm. 



Male larva pale green, with a median longitudinal dark brown line. 



Adult i, pale red or reddish yellow ; apodema castaneous ; notal plate of 

 metathorax dull brown, with pale circumscribed median spot. Caudal sets 

 fine, a little shorter than body. Antenna about half length of body. Genital 

 sheath {fig. 13) stout, more than half length of abdomen ; a recurved tubercle 

 on each side at its base. Length 175 mm. 



Habitat on upper surface of leaves of 'Sappu ' {Michelia champaca)3.xiA mango 

 {fig. 5). Peradeniya, December. Attended by ants {CEcophylla smaragdina), 

 which had fastened the leaves together, forming a shelter. Received also from 

 Iranativu, on ALrua lanaia. July. 



EXPLANATION OF PLATE LXX. 



LECANIUM PUNCTULIFERUM. 



Fig. 5. Piece of mango leaf, with insects in situ, nat. size. 



6. Adult 9, ventral view, x 15. 



7. Male puparium, x 10. 



8. Antenna, x 150. 



9. Stigmatic spines and marginal hairs, x 650. 



10. Anal operculum, x 150. 



11. Leg (median), x 150. 



12. Dermal cells, x 150. 



13. Extremity of abdomen of adult male. 



