Western yellowstriped
armyworm and beet
armyworm
Identification tip: Young armyworms skeletonize foliage.
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Green peach aphid
Identification tip: The green peach aphid is
dark green to yellow, without a waxy bloom. Tubercles on
antennae are converging rather than diverging on the potato
aphid.
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Hornworms
Identification tip: Both species of hornworms have
a large horn on the posterior end of the body.
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Leafminers
Identification
tip: Leafminer feeding results in slender, white, mined
leaflets.
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Loopers
Identification tip: Loopers are easily recognized
because they crawl by arching their backs.
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Lygus
Identification tip: Adults are yellowish, brownish, or greenish
bugs, about 0.3 inch in length, with a conspicuous triangle
in the center of the back that is tinged brown, red, or yellow.
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Potato aphid
Identification tip: This aphid is much bigger than
the green peach aphid with a more elongate body shape and
is generally found on the terminals of tomato plants later
in the season. It is also considered to be more damaging.
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Thrips
Identification tip: Thrips are small
insects, about 0.04 inch long. Adults have two pairs
of narrow wings which are fringed with hairs.
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Tomato bug
Identification tip: Tomato bugs
are slender plant bugs about 1/4 inch in length with
long legs and a green body. Nymphs (right) resemble adults
(left), but are smaller and lack wings.
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Tomato bug damage
Identification tip: Tomato bug damage results
in reddish rings around petioles and stems which easily break
when contacted.
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Tomato pinworm
Identification
tip: This caterpillar feeds on leaves and creates blotch
type mines but causes most of its damage when
it attacks the fruit.
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Whiteflies
Identification tip: Whitefly adults are tiny, 0.06
inch long, yellowish insects with white wings.
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