Insect artizans and their work . me distance. One of the largest of this group is the LunarHornet Clearwing (Trocbilium crabroniformis), whichis not like a hornet, as its names indicate, but verylike a wasp when the insects are seen apart. Itscaterpillar mines in the stems of willow, sallow, andpoplar. Before becoming a chrysalis the cater-pillar prepares for the egress of the moth by carvinga way out to the air and spins a cap for the exitin which it so artfully mixes up some fragmentsof the bark that the cavity can scarcely be detectedfor what it is. The caterpillar of the Light Orange Under
Insect artizans and their work . me distance. One of the largest of this group is the LunarHornet Clearwing (Trocbilium crabroniformis), whichis not like a hornet, as its names indicate, but verylike a wasp when the insects are seen apart. Itscaterpillar mines in the stems of willow, sallow, andpoplar. Before becoming a chrysalis the cater-pillar prepares for the egress of the moth by carvinga way out to the air and spins a cap for the exitin which it so artfully mixes up some fragmentsof the bark that the cavity can scarcely be detectedfor what it is. The caterpillar of the Light Orange Underwing(Brephos notba) becomes a carpenter only when ithas nearly reached the end of its existence as alarva. Up till then it feeds upon leaves of aspen,spinning two of them together to hide it frompublic observation, but when it feels that itsfeeding days are over it bores into the bark or thesap-wood beneath, hiding its entrance by makinga cap similar to that of the Hornet Clearwing,and then changes into a chrysalis. The moth has. h 2 ^
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
