100 SLUG-CATERPILLARS. 
measures with expanded wings a little over one inch. This 
caterpillar feeds upon the cherry, plum, apple and oak. 
Larva and pupa are shown in Fig 98. 
Mr. Hubbard, in ‘Orange Insects, 
ing account of this peculiar in- 
7 
gives the follow- 
sect. ‘This insect receives its 
name from the curious hairy 
appendages whichcover the back 
and project from the sides of the 
larvaand havea backward twist, 
Fig. Sep pee ee pee likelocks of disheveled hair. They 
ea ongneo neem ct acre fact, fleshy hooks, covered 
with feathery, brown hairs, 
among which are longer, black, stinging hairs. The cocoon 
is almost spherical, and is defended by the hairy appendages 
which the larva in some way contrives to leave upon the 
outside. These tufts give to the bullet-shaped cocoon a very 
nondescript appearance, and the stinging hairs afford a very 
perfect protection against birds and other insectivorous 
animals. Unlike other species of Limacodidz the Hag-moth 
larvee do not seek to hide away their cocoons, but attach 
them to leaves and twigs fully exposed-to view, with, how- 
ever, such artful management as to surroundings and har- 
monizing colors that they are of all the group the most 
difficult to discover. A device to which this insect frequently 
resorts exhibits the extreme of instinctive sagacity. If the 
caterpillar can not find at hand a suitable place in which to 
weave its cocoon it frequently makes for itself more satis- 
factory surroundings by killing the leaves upon which, after 
they have become dry or brown in color, it places its 
’” 
cocoon. 
THE SKIFF-SHAPED LIMACODES. 
(Limacodes scapha Harr.). 
The caterpillar of this moth is also very peculiar in form, 
being boat-shaped and triangular; it is green, spotted above 
