strawworm

• 指某些昆虫（如石蛾或小蜂）的幼虫，会用丝和周围材料筑成保护性的筒巢，或危害禾秆的害虫。

A noun referring to the larva of certain insects, such as the caddis fly or chalcid flies, which constructs protective cases from silk and surrounding materials or infests the straw of grains.

1. Caddis fly larvaC2formalscientific

   The larva of the caddis fly, which constructs a protective case made of silk and covered with sand or plant debris.

   石蛾幼虫

   • The strawworm builds its case from tiny pieces of leaves and twigs.
   • Researchers observed the strawworm retreating into its silk-lined case.
   • The caddis fly larva, known as a strawworm, is common in freshwater streams.

   同义词caddiswormcaseworm

2. Chalcid fly larvaC2formalscientific

   The larva of chalcid flies that is injurious to the straw of wheat and other grains.

   小蜂幼虫

   • The strawworm infests wheat fields, damaging the straw.
   • Farmers have reported significant crop loss due to the strawworm.
   • The chalcid fly larva, or strawworm, bores into the stems of grain plants.