Cucurbit sting bug (Coridus janus, Aspongopu janus, Pentatomidae, Hemiptera)

Damaging stage : nymph and adult

Damaging symptom: suck sap from the leaves and tender shoot.

Identification

• Egg: underside of leaves, bronze to brick red in color.
• Nymph: white to green color with black leg.
• Adult: red and pale brown bug, edge of the abdomen and underside of insect orange to brown stripes.

Life cycle:

Egg–3-6 days–> Nymph –4 weeks–> Adult

Management

• Hand picking
• Predator: tachinid fly, trichopoda pennipes that attack older nymph and adult.
• Botanical pesticide: neem, bakaino, asuro etc
• Spray malathion 50% EC @ 5ml/liter water.