egg punctures

Listing 1 - 10 from 12 for egg punctures

Apple Maggot And Its Control, HYG-2041-88
... the fruit, usually avoiding the core. External signs of maggot infestation are the minute brownish egg punctures in the skin. These are often small, distorted or pitted areas on the surface of ... of leaves and fruits. Then they begin laying eggs. The female has a needle-sharp egg-laying structure (ovipositor) at the tip of her abdomen that enables her to puncture the ...
ohioline.osu.edu

Plum Curculio And Its Control, HYG-2043-88
... the spring feeding of adult beetles, then from female egg punctures in the fruit, next from the feeding of larvae ... egg; then a crescent-shaped cut is made adjacent to the egg pocket. Fuzz on peaches makes it difficult to see this egg scar. The early feeding and egg-laying punctures ... fruit. The mechanical injury by adults in feeding and egg deposition can cause premature fruit drop. When the summer ...
ohioline.osu.edu More from this site

FPHG -
... punctures and egg punctures in the fruit. Feeding punctures are small, round holes extending 1/8 inch into the fruit; egg punctures are distinguished by a characteristic crescent-shaped cut that partly surrounds the sunken egg ...
ssfruit.cas.psu.edu

... length of the body. In spring, adult females deposit eggs between a double row of punctures made around stem tips. The eggs hatch in early summer and the whitish, brown-headed ... . Damage: Look for a double row of punctures around the stem tip where the adult female laid her eggs. Cane wilting above the egg punctures is common with the cane dying the following ...
www.extension.umn.edu

FPHG -
... damage if left uncontrolled. Currant Aphid The currant aphid, Cryptomyzus ribis (L.), overwinters in the egg stage on plant stems. Eggs hatch in early spring, and the insects feed by sucking ... not require treatment. Currant Stem Girdler Adult sawflies, Janus integer (Norton), make numerous punctures in canes during egg laying in spring, resulting in drooping and wilting of new shoots in late spring ...
ssfruit.cas.psu.edu

Queensland fruit fly
... eggs in these fruit. Fruit fly ‘stings’ The egg-site (oviposition-site) punctures in the fruit are referred to commonly as ‘stings’. To identify them, make a shallow cut through the skin and look with a lens for the egg ... in stone fruit readily infect stung fruit. Figure 6. Egg-site punctures (‘stings’) in a capsicum Figure 7. Infested loquats Figure ...
www.agric.nsw.gov.au

Fuchsia Gall Mite May 2004
... As the new leaves or buds starts to grow each gall mite punctures the new growth and starts injecting a growth hormone substance that ... that one application will kill every live gall mite and smother every egg on the plant. That's why almost all spray products recommend ... in contact with every live gall mite and smother every gall mite egg. The only way oil products can be effective in killing gall ...
www.americanfuchsiasociety.org

Plum Curculio
... a first-cover application and possibly a second-cover spray. Life Stages: Egg: The egg is 0.4 mm wide, 0.6 mm long, pearly ... She then cuts a crescent-shaped, oblique slit underneath the egg cavity to leave the egg in a flap of flesh. Crescent-shaped scars present ... activity within the fruit or adults' feeding on the fruit. Feeding punctures made by the beetles in the fall just prior to hibernation ...
www.canr.msu.edu

Apple Maggot Fact Sheet
... not proven successful. Eggs are deposited through minute punctures in the skin and cannot be killed by known ovicides. Furthermore, the skin punctures are undesirable blemishes on the fruits that should be ... populations of the pest in orchards. Successful apple maggot control by killing the flies before egg deposition is possible and practical because of the 8- to 10-day preoviposition period. This ...
www.canr.msu.edu More from this site

Anthonomus eugenii
... exited the fruit). Weevils may also inflict feeding punctures on buds and immature fruits. These feeding punctures may not adversely affect the quality of ... end of October (active season), the average generation time from egg to first egg was 32.1 days. EGGS Eggs are an average ... long, thin, and the club oblong. The elytra have rows of punctures. BEHAVIOR Holes in the walls of pepper fruits and buds ...
www.extento.hawaii.edu

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