A

Distinctly pig- — mented; usually hard-bodied

Antennae short, beadlike; tarsi 4-segmented ISOPTERA, p. 88

ORDERS OF INSECTS (conic/J

► Wings modified, front wings hard or leathery and covering hind wings

Abdomen with forcepslike cerci DERMAPTERA, p. 98 -

- Abdomen lacks forcepslike cerci

Mouth parts chewing k

1 Front wings with veins, at rest held rooflike over abdomen or overlapping ORTHOPTERA, p. 76

Mouth parts sucking, beak -usually elongate

Front wings nearly always thickened at base, membranous at tip; beak rises from front or bottom of head HEMIPTERA, p. 112

Front wings of uniform texture throughout; beak rises from hind part of head HOMOPTERA, p. 128

Front wings of uniform texture throughout; beak rises from hind part of head HOMOPTERA, p. 128

Front wings without veins, meeting in a straight line down back COLEOPTERA, p. 146

Body shape variable; length over 5 mm.

Antennae 4- or 5-segmented mouth parts sucking HEMIPTERA, p. 112

Antennae 4- or 5-segmented mouth parts sucking HEMIPTERA, p. 112

Body narrow; length less than 5 mm. THYSANOPTERA, p. 110

Antennae many-segmented; mouth parts chewing ORTHOPTERA, p. 76

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