Squash vine borer male flying toward female (cf. Tom Andres)Tomato fruit wormTobacco hornworm. The red horn (protrusion on the caterpillar’s final abdominal segment) distinguishes this hornworm from the less common tomato hornworm which has a black horn. Defoliation due to feeding.Tobacco hornworm feeding injury to fruit.Tobacco hornworm parasitized by wasp larvae. The larvae feed inside the caterpillar, then emerge and spin cocoons on the outside.Heavily parasitized hornworm that died. The open ‘cap’ on the cocoon top indicates the wasp inside reached adulthood and cut it open so it could leave.Parasitized hornworms.Parasitized hornworms.Above three images are the same hornworms photographed on a tomato plant over the course of three days. During that time they moved little and there was no no evidence they ate more leaf tissue, indicating they were dying, and wasps emerged. There are adult wasps visible in the second and third images.Matt’s Wild Cherry tomato plant heavily infested by aphids. Lady bug present at bottom of stem.Allium leaf miner feeding trail (mine) created by larvae and pupa on leek (Feb 2021). This invasive insect was first detected in the U.S. in PA in Dec 2015.Allium leaf miner feeding trail and pupa on leek (Feb 2021).Allium leaf miner pupae under the outer layer of a leek.Allium leaf miner flies that hatched in early April 2021. Note the characteristic small yellowish-white knobbed structures on the side of their bodies.
