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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<strong>Pest</strong> identification<br />
Identification of common grubs<br />
• Scarabs vary <strong>in</strong> size, color, and habits, but<br />
adults have 3-segmented, clubbed antennae<br />
• Larvae molt 3 times (have 3 <strong>in</strong>stars)<br />
• Look at raster (hair) pattern for grub ID<br />
Raster<br />
Antenna<br />
Sugarcane<br />
grub<br />
EGG<br />
LARVA<br />
PUPA<br />
ADULT<br />
What do you need to know to<br />
manage grubs?<br />
Follow<strong>in</strong>g rescue treatments (Sev<strong>in</strong> or Dylox), GJB and<br />
flower beetle grubs often come to surface to die!<br />
• Development time depends on species;<br />
generally 1-2 generations per year <strong>in</strong> Florida<br />
• <strong>Insect</strong>icides should be targeted aga<strong>in</strong>st newly<br />
hatched first <strong>in</strong>stars; curative control of 3 rd<br />
<strong>in</strong>stars is harder to achieve<br />
• Some grubs like areas of high organic matter;<br />
avoid organic fertilizers (e.g., chicken litter)<br />
• <strong>Insect</strong>icides usually need to be watered <strong>in</strong> to<br />
reach the soil<br />
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