Colorado Potato Beetle
Leptinotarsa decemlineata
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Adults are about 10mm long and have a bright yellow or orange body with 10 brown stripes across its back. Eggs are yellowish orange. Larvae are red and black, with a humpbacked appearance and two rows of lateral spots. Damage Adults and larvae feed on the host. Also, eggs are laid on the underside of the leaves |
| Stage | Timing | Where to Look |
| Adults | Overwinter
Rest of Summer |
1/2 inch under ground in soil
On host plant |
| Eggs | 4-5 weeks after first emergence of adults | Underside of leaves |
| Larvae | 4-10 days after eggs are laid | On host plant |
| Pupae | 2-3 weeks after eggs hatch | In the soil (5-10 days before pupating) |