Economically important families of Coleptera

a. Carabidae: ground beetles

b. Cicindellidae – Tiger beetles

• Cicindela oregona: 12-14mm; green or blue; white or dull yellow markings; long hairs near inner edge of eyes; labrum short; punctate elytra.
• Cicindela punctulata: 10-13mm; brownish black or slightly green either bronze sheen; row of small greenish or bluish depression on elytra; small white markings present or absent along elytral margins.

c. Scarabaeidae- Scarab Beetles

• Common name: scarab, June, and dung beetles
• The body sizes ranges from 2-70mm in length. Some are metallic,
• other are hairy ventrally. Scarabs are generally attracted to light.
• The stout larvae have a curved body that is often wrinkled and the thoracic legs are well developed.

d. Elateridae- Click beetle

e. Lampyridae- Fireflies

f. Dermestidae- Dermestid beetles

g. Coccinellidae- Lady beetles

• Common name: ladybird beetles, ladybugs, lady beetles
• They are broadly oval. Convex insects that often are brightly colored.
• Some lady beetles are similar to the leaf beetles (Chrysomelidae) but differ by having three distinct tarsal segments instead of appearing to have four as do leaf beetles.
• Most of the insect are of predators of aphids, scales.

h. Meloidae- Blister beetle

• They are elongated beetles with a prothorax that is often narrow than the head and sometimes neck like.
• The wings and body are soft and frequently the tip of the abdomen in exposed.
• Common species Banded blister beetle: Mylabris phylerata

I. Chrysomelidae- Leaf beetles

j. Cerambycidae- Long horned beetles or Round headed wood borers

• They are usually medium to large, elongated and cylindrical beetles with antennae over half the body length.
• The eyes are notched and many species are brightly colored. Some smaller Cerambycids resemble the leaf beetles (Chrysomelidae) but the leaf beetles are smaller and the antennae are less than half the body length.
• Common species Mango stem borer (Batocera rufomaculata).

K.Bruchidae- Pulse beetles

• These are oval or egg-shaped beetles are generally less than 5 mm long and their elytra do not cover the tip of the abdomen.
• The head is extended into a short, broad snout and the antennae may be clubbed, serrate, or pectinate.
• Common species Bruchus pisorum (pea weevil),Callosobruchus maculates, chinensis

l. Curculionidae- Weevils or snout beetles

• Well developed and downward curved snout. The antennae is elbowed and clubbed and the first segment often fits into a groove in the side of the snout.
• Common species: Banana rhizome weevil, Banana stem weevil, Rice weevil (Sitophilus oryzae) Maize weevil (Sitotrora cerealella), Gray weevil