Pests, Plagues & Politics Lecture 5. Insect Products Silk - Lac – Paper & Ink. Key Points Silk - Lac - Paper & Ink. Sericulture by moths What species of insect? What is the process? Lac by scale insects What is it? “ Who ” makes it? Paper & Ink by wasps. adult.
Silk - Lac – Paper & Ink
The Polyphemus moth of the
Giant Silkworm moth
- a resin usually produced in thin flaky layers,
or shells and used in making varnish, phonographic
records, insulating materials, et al.”
“Lac” comes from insects…
following the laying of an insect egg(s)
into the plant’s tissue
meaning bitterness, irritation
(by Oregon’s own gall wasp)
Back to lecture
Instar –n. a developmental stage of arthropods, such as insects, between each molt until sexual maturity is reached.
Filature– n. The process of drawing fibres into threads, especially the process of reeling raw silk from cocoons.