5

Types of Textures in Insect Wings and Classification

71

Table 5.1 (continued)

S. No

Orders

Wing details

Examples

Remarks

Wings

9

Lepidoptera

Two pairs of wings that

overlap during flight,

rarely vestigial. They

are covered with scales.

Forewings are larger

than hindwings and

have many branched

longitudinal veins

Butterflies and

Sphingid moths

Flight is zig-zag.

Wings are covered by

scales. Good fliers. νh

is 2–10 Hz

10

Coleoptera

Two pairs of wings, the

first pair is hard, known

as elytra which do

contribute to lift.

Sometimes, two elytra

are completely fused on

the abdomen. The

second pair is

membranous and

contributes to thrust. It

has few veins

Beetles, jewel

beetles and Weevils

νh is 50 Hz

approximately

(continued)