Larva – The grayish-white, slightly curled grub has a yellowish-brown head and measures about 26 mm long when mature. By the time it hatches, the egg has doubled its original size. Five more white patches are located on each side of the abdomen.Įgg – The white or cream colored egg is spherical and about 1.5 mm in diameter when first laid in turf. Two small tufts of white hairs occur just behind the wing covers on each side of the body. Japanese beetle, Popillia japonica Newman, Scarabaeidae, COLEOPTERAĪdult – About 13 mm long, this shiny, metallic green beetle has coppery brown wing covers which extend almost to the tip of the abdomen. Vegetable leafminer – Colorless to bright yellow maggot with black mouthparts body up to 3 mm long pointed head S-shaped mines in leaves, often enlarged at one end ( Figure 7).European corn borer – Pale yellow or pinkish caterpillar up to 26 mm long with several rows of tiny, darkly colored spots three pairs of legs near the head five pairs of prolegs ( Figure 6) leaves entrance hole fringed with silk and frass in stalk weakens stem and interferes with pod development.Insects that feed inside the plant, e.g., within the stalk or leaf mesophyll Leaffooted bugs and stink bugs – Bugs up to 19 mm long adult green or brown and shield-shaped (stink bug, Figure 5A), or brown with enlarged, flattened hind legs (leaffooted bug, Figure 5B) stink bug nymph pale green or green with orange and black markings ( Figure 5C) leaffooted bug nymph red ( Figure 5D) pierce buds, pods, and seeds causing pods to be deformed and seeds to be shriveled wart-like growths appear on podsī.Melon aphid – Yellow or green in host, dry summers pale to dark green in cool seasons body up to 2 mm long cornicles slightly longer than or twice as long as cauda nymph similar in color to adult ( Figure 4A-C).Green peach aphid – Pale yellow to green wingless adult up to 2.4 mm long winged adult with dark dorsal blotch on yellowish-green abdomen cornicles over twice as long as cauda and slightly swollen toward tip yellow-green nymph with three dark lines on abdomen ( Figure 3A-C).Aphids – Soft-bodied, pear-shaped insects with a pair of dark cornicles and a cauda protruding from the abdomen may be winged or wingless - wingless forms most common feed in colonies excrete honeydew on which sooty mold grows.Pests that cause discoloration or distortion of plant.
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