Dictionary > Silkworm


(Science: zoology) The larva of any one of numerous species of bombycid moths, which spins a large amount of strong silk in constructing its cocoon before changing to a pupa.
The common species (bombyx mori) feeds onm the leaves of the white mulberry tree. It is native of china, but has long been introduced into other countries of asia and Europe, and is reared on a large scale. In America it is reared only to small extent. The Ailanthus silkworm (Philosamia cynthia) is a much larger species, of considerable importance, which has been introduced into Europe and America from China. The most useful American species is the polyphemus. See Polyphemus. Pernyi silkworm, the larva of the pernyi moth. See Pernyi moth. Silkworm gut, a substance prepared from the contents of the silk glands of silkworms and used in making lines for angling. See Gut. Silkworm rot, a disease of silkworms; muscardine.
Origin: AS. Seolcwyrm.

You will also like...

Neural Control Mechanisms
Neural Control Mechanisms

Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..

Plant Auxins
Plant Auxins – Phototropism & Geotropism

Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..

Chemical composition of the body
Chemical Composition of the Body

The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..

The process of photosynthesis
Photosynthesis – Photolysis and Carbon Fixation

Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..

Golgi apparatus (3-D illustration)
Role of Golgi Apparatus & Endoplasmic Reticulum in Protein Synthesis

The endoplasmic reticulum and Golgi apparatus are the organelles involved in the translation step of protein synthesis a..

running freshwater community
Running Water Freshwater Community Factors

This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..