Important Insect Pests in Warm Season Turfgrasses Turfgrass Pest ...
Important Insect Pests in Warm Season Turfgrasses Turfgrass Pest ...
Important Insect Pests in Warm Season Turfgrasses Turfgrass Pest ...
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Look for silken webb<strong>in</strong>g<br />
Tropical sod webworm ID<br />
Larva and frass <strong>in</strong> St. August<strong>in</strong>egrass<br />
Adults lack the elongate<br />
palps of regular sod<br />
webworms, and they hold<br />
the w<strong>in</strong>gs flat, <strong>in</strong> a<br />
triangular shape<br />
What do you need to know to<br />
manage caterpillars?<br />
Describe the symptoms…<br />
• Infestations beg<strong>in</strong> <strong>in</strong> the spr<strong>in</strong>g, but damag<strong>in</strong>g<br />
g<br />
populations build <strong>in</strong> late summer and fall (pops.<br />
are year-round <strong>in</strong> S. FL)<br />
• Larvae develop better on fertilized turf<br />
• Kill<strong>in</strong>g young larvae is easier than for old larvae;<br />
don’t target eggs, pupae & adults<br />
• Products like Dipel (Bt), Conserve, & Dimil<strong>in</strong> are<br />
most effective aga<strong>in</strong>st young larvae<br />
• Rotate <strong>in</strong>secticide modes of action (Acelepryn)<br />
3
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