22 



SPOLIA ZEYLANICA. 



?. 11 — 12 mm. Without hair-pencil at apex of abdomen. An- 

 tennae ciliated (|). 



Otherwise as in male, but usually about 1 mm. less in expanse. 

 Markings similar, but duller. 



Neuration. — Forewings. 2 out of 4, .3 very short, not reaching 

 dorsal margin, 4 to apex of second segment, 5 and 6 absent, 7 parallel 

 to 8 running into hind margin of first segment before apex, 8 to apex, 

 9 absent, 10 very short (sometimes rudimentary or absent), 11 out 

 of 8, 12 reaching costa before cleft. (See Fig. 1.) 



Hindwings. 2 out of 4, 3 rudimentary or absent, 4 to apex of 

 second segment, 5 and 6 apparently absent, 7 to apex of fii'st segment, 

 8 into costa at about one-third. 



Fig. 2. — Male genitalia of T. paludicola. Magnified. 



CoaiPARisoN OF T. Paludicola with its Allies. — This species is 

 extremely similar superficially to T. scythrodes, Meyr., from Austra- 

 lia, but Mr. Meyrick informs me (in litt.) that " there is a good and 

 reliable distinguishing character in the different arrangement of the 

 dark scale-teeth in the dorsal cilia of forewings ; in scythrodes 

 there is a scale-tooth at each end of the dark median band of the 

 second segment, whereas in paludicola there is one in the middle of 

 the band, but not at either end." 



The Life- History of Trichoptilus paltidicola. 

 \, Preliminary Remarks. — In the early part of October, 1906, 

 whilst encajuped in the Royal Naval Camp at Diyatalawa, I found 



