THE COMMON £ UTTERFLIES OF THE PLAINS OF INDIA. 49.'} 



17. Genus — Oxtretis. 



A. Underside : white, not silvery. Size : 1-25" to 



1-4" tJietis. (PL H, Fi(/s. 



56 S , 56« 2 .) 



B. Underside : silvery-white, powdered sparsely 

 with black dust. Size : 1-8" to 2" . . . . bulls. 



Thetis may be found anywhere ; bulls is more or less confined to the hill 

 tracts and jungles. The males of both are dark glossy cupreous-red, 

 females white, both with black borders. ; ..- .= . 



The larvEe and pupse are abnormal, never attended by ants; see 

 Introductory part of these Papers, paragraph 2 on page 29 (14) of Vol. 

 XIX, Part 1 of the 16th April 1909 of this Journal. The foodplants are all 

 Legumlnosem . See PI. II, figs. 28, larva ; 28a, pupa. 



18. Genus — Ibaota. 



Only one species. Size : l"5"to 2" . . . . tlmoleon. 



Male upperside deep metallic-blue with broad black border, female same 

 blue but not metallic, also with border. 



Larva and pupa normal, attended by ants sometimes. Foodplant 

 Ficus Indlca, the common Banyan : the young shoots and tender leaves. 



19. Genus — Surendra. 



Only one species. Size: 1*55" to 1"62" .. .. quercetorum. 



Male purplish-blue, broad black border ; female brown. This is a hill 

 insect, never, as far as information goes, found in the plain country. 



Larva flattened with segments 3 and 4 somewhat prominent ; pupa 

 normal ; attended by ants. Foodplant : Acacia ccesla and pennata. 



20. Genus — Mahatpala. 



There is only one species. Size : 1'6" to 1'9" . . amerla. 



The insect is said to have been captured in Calcutta and, for that reason, 

 it is mentioned here. Nothing is known about its transformations, 



21. Genus — Ambltpodia. 



Only one species. Size : 1'6" to 2" . . . . anlta. 



Males, upperside deep purple with narrow black border to wing. Females 

 have the disc brighter blue from base, outer area dark-brown, or the whole 

 wings dark-brown. Underside of various shades of brown, red-brown or 

 ochreous. i.'i:- ■ 



Larva of the type of Surendra rather, but deeper, narrowed in after-part 

 so as to resemble a shoe in outline, oily yellow-green with electric-blue 

 longitudinal bands ; pupa normal, stout ; never attended by ants. Food- 

 plant : Olax scandens. See PI. II, figs. 22, larva ; 22a, pupa. Tq p . 



This is not a Plains butterfly but may possibly be met with in the hill 

 stations of the Western Ghats. 



22. Genus — Arhopala. 



A. Size large : 2" to 2-5". 



a. Fore wing, underside : markings blurred 

 and indistinct to a large degree, the spots 

 in the cell only recognisable as such by 



their borders of white . . . . . . centaurus, (PI. H, 



figs. 57 c?,57«$.) 



b. Fore wing, underside : the markings clear 

 and well defined, the spots in the cell 

 darker than the ground-colour . . . . amantes. 



B. Size smaller : 1-4" to 1-7" .. .. .. heivltsoni. 



