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Cucurbits
> Year-Round IPM Program > Seedlings > Other Pests You May See
Cucurbits
Other Pests You May See—Seedling Stage (Cotyledons to 4 leaves)
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| Arthropods |
Diseases/Nematodes |
- Darkling beetles (not in desert)
- Leafminer
- Seedcorn maggot
- Wireworms (especially on transplants)
- Armyworms
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- Root rots (damping off)
- Root knot nematode
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Names link to information on identification and management.
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on photos to enlarge
| Arthropods |
Darkling beetle adult
Identification tip: Adults vary from black or bluish black to rusty brown. Do not confuse with predatory ground beetles, which prey on various soil-dwelling pests. |
Leafminer damage
Identification tip: A larva mines between the upper and lower leaf surfaces, creating winding white tunnels that widen as the larva grows. |
Seedcorn maggots
Identification tip: The seedcorn maggot is the larva of a small, light gray fly. The whitish, legless maggots are about 1/3 inch long and attack planted seeds. |
Wireworms
Identification tip: Larvae are shiny, slender, cylindrical, hard-bodied, and yellow to brown. |
Armyworms
Identification tip: The larva is almost black, with two prominent and many fine, bright yellow stripes on the side. |
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| Diseases/Nematodes |
Root knot nematode damage
Identification tip: Feeding stunts seedlings and causes galls or knots on roots. |
Root rots (damping off) (Pythium spp., Acremonium spp., Rhizoctonia solani, Phytophthora spp.)
Identification tip: Symptoms include the browning or reddening of the hypocotyl, hypocotyl collapse, and plant stunting. |
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