616 MR. A. a. BUTLER ON THE SPHINGID^. 



20. DiLUDiA VATES. (Plate XCI. figs. 18, 19.) 



Diludia vates, Butler, P. Z. S. 1875, p. 13. no. 28. 



Macrosila dicistriga (part.). Walker, Lcp. Het. viii. pp. 309, 210 (1856). 



Anceryx pi?iastri {(/), Walker, I.e. p. 223 (1856). 



Ceylon {Tenipleton) ; Madras, Moulmein [Clerck] ; Silhet (Sowerbi/) ; North India 

 (Stevens). Type, B.M. 



The larva is pale green, with darker oblique green lines and reddish-edged spiracles ; 

 front segments and horn tuberculated. It feeds on Gmelina arborea according to W. 

 Elliot, on privet, Polownia, &c. according to Mr. George Lewis. 



21. Diludia natalbnsis. (Plate XCIV. fig. 5.) 

 Diludia natalensis, Butler, P. Z. S. 1875, p. 13. no. 29. 



Natal (Gueinzius). . Type, B.M. 



Genus 16. Hyloicus, Hiibner. 

 Hyloicus, Hiibner, Verz. bek. Schmett. p. 138 (1816). 



1. Hyloicus pinastbi. 



Sphinx pinastri, Linnseus, Syst. Nat. i. ii. p. 803. no. 32 (1766). 

 Hyloicus pinastri, Hiibner, Verz. bek. Schmett. p. 139. no. 1483 (1816). 



England [Brit. Coll.] ; Europe {Becker). B.M. 



2. Hyloicus sequoia. 



Sphinx sequoia, Boisduval, Ann. Soc. Ent. Beige, xii. p. 66. no. 70 (1868). 

 Hyloicus seqicoitB, Grote, BuU. Bufi. Soc. Nat. Sci. i. p. 27 (1873). 

 Anceryx coniferarum d , Walker, Lep. Het. viii. p. 224. no. 2 (1856). 



United States {Doubleday). B.M. 



The Anceryx coniferarum of Walker has been placed as a synonym of Ellenia harrisii ; 

 his female, however, appears to me to be Abbot's species, whilst the male is undoubtedly 

 generically distinct. 



3. Hyloicus asiaticus. 



Hyloicus asiaticus, Butler, P. Z. S. 1875, p. 360. no. 58. 



Scindel [Warwick). Type, B.M. 



4. Hyloicus unifoemis. 



Hyloicus uniformis, Butler, P. Z. S. 1875, p, 261. no. 59. 



North-west Himalayas. Type, coll. F. Moore. 



The smallest species in the genus. 



