Figures 2.1


The general structure of insect cuticle; the enlargement above shows details of the epicuticle.
Figures 2.1. The general structure of insect cuticle; the enlargement above shows details of the epicuticle.

(After Hepburn 1985; Hadley 1986; Binnington 1993)

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  A delicacy of the Australian Aborigines — a witchety (or witjuti) grub, a caterpillar of a wood moth (Lepidoptera: Cossidae) that feeds on the roots and stems of witjuti bushes (certain Acacia species).
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  Structure of part of a chitin chain, showing two linked units of N-acetyl-D-glucosamine.