426 
LKPIDOPTERA. 
bugs and only careful examination distinguishes it. The head and feet 
are concealed, the body below is greenish. The larvae when full fed walk 
about, settle down and pupate, emerging after 9 days as butterflies. 
Aitken figures the larva and pupa (Journ., Bombay Nat. Hist. Soc., 
VIII, p. 485), but the student may be cautioned against taking his 
remarks seriously as to the resemblance of the pupa. In this as in 
8 other genera the girdle is absent, the pupa attached only by the 
cremaster. The butterfly is widespread, but perhaps not abundant, 
being dependent for its food on this and other mealybugs. Mr. Green 
was the discoverer of the carnivorous habit of the larva, which was con¬ 
firmed by Mr. Aitken, and we have since reared the butterfly from the 
mealybug we mention. The butterfly (fig. 294) is violet-brown above, 
with a square white spot in the forewing, and greyish white below with 
brown lines on both wings, without ocelli. 
Chilades includes two plains’ species; C. laius, Cram., which is blue 
above and without colour or metallic scales on the marginal spots 
below and C. trochilus, Frey., which is dull black above, the marginal 
spots with metallic scales and orange colour. The larva of the former 
is described as feeding on the leaves of lime and pomelo ; de Niceville 
says it can be “ confidently looked for in any part of India where any 
trees allied to the orange grow.” The larva of the latter is described 
by de Niceville, as feeding on Heliotropium strigosum , Zornia diphylla, 
and on indigo in Behar. 
Zizera includes the smallest known butterflies with Z. gaika , Tr., only 
six-tenths of an inch across the wings ; some of these are abundant in 
the plains on low vegetation, while here and there one finds them in pro¬ 
fusion on a patch of grassland. De Niceville considered there were but 
four species in India, though he listed all the species mentioned as distinct 
to the number of thirteen. Z. maha , Kolb, is the largest, with the upper 
surface of the male silvery blue with a black border, the female blue to 
black. The flat green larva was found on Oxalis corniculata. Z. lysi- 
mon , Hubn., is small, the wings above violet blue in the male, greyish 
brown in the female and having the spot near the middle of the discoidal 
cell below, which is present also in Z. maha , but absent in the next two. 
This is taken to include the common Z. karsandra, Mo., which breeds free¬ 
ly on lucerne (Medicago sativa ) in the plains where this is grown, and 
