adults emerge

Listing 1 - 10 from 108 for adults emerge

Fleas
... from five days to five weeks in the absence of hosts. Adults emerge from the pupal case when vibrations from pets or humans let ... Adult fleas must feed on blood in order to reproduce; however, adults can live for long periods without feeding. Fleas usually live ... quickly reduce adult populations. IGRs prevent flea larvae from turning into adults, and have a residual effect of almost three months. For ...
edis.ifas.ufl.edu

Lace Bugs
... the nymphs emerge, feed on the leaf and deposit black specks of tarry excrement on the undersides of leaves. There are two generations per year in the prairie provinces. The adults overwinter under loose bark or beneath fallen leaves. The first generation adults emerge in midsummer while the second generation completes its development ...
gardenline.usask.ca

Spiny Rose Gall
... : The recommended control is to prune galls before the wasps have matured and emerged. Since adults emerge from the old galls in spring, prune out the galls after the leaves drop in ...
gardenline.usask.ca More from this site

California Backyard Orchard: Pests and Diseases
... to brown at 5th nymph stage. Life Cycle: About five generations a year; overwinter as adults. Controls Natural: Predators and parasites (avoid summer sprays). Spray: See Calendar of Backyard Gardening Operations ... body, 1/2 - to 3/4 - inch long. Life Cycle: Overwinter in xylem as pupae; adults emerge in early summer and lay eggs on sunburned or damaged tissue. Controls Cultural: Whitewash trunks ...
homeorchard.ucdavis.edu

Ask Extension Database, NDSU Extension Service
... European, paper and river birch. Adult miners emerge in early May and lay their eggs in the new expanding leaves. Although several crops of adults emerge over the summer, it is this first ...
ndsuext.nodak.edu

Apple Maggot And Its Control, HYG-2041-88
... early August, but some adults emerge in September. When flies emerge, they usually spend about 10 to 14 days flying from tree to tree. During this period, the adults mate and females feed by ... within which the true pupa is formed. Some of the first brood pupae transform to adults and emerge in late August and September. However, the majority remain in the soil through two ...
ohioline.osu.edu

Plum Curculio And Its Control, HYG-2043-88
... apples can cause distortion of the fruit. The mechanical injury by adults in feeding and egg deposition can cause premature fruit drop. ... new beetle above ground is about five weeks. Summer brood adults emerge in July and August. They do not lay eggs but instead ... reach with its snout. This feeding takes place until the adults enter hibernation, which occurs from September through early November. Plum ...
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Bamboo - Southeast Chapter - Sample SEC Newsletter
... It over-winters as pupae in the gall. In late winter the adults emerge and lay eggs in the slowly swelling leaf buds. The larvae’ ... year bearing, some of the pupae will remain dormant for two years. Adults emerge in early spring just as the shooting season is beginning and feed ... cycle. It over-winters in the form of eggs and larvae. The adults emerge in summer and feed on tree sap. They lay eggs in ...
sec-bamboo.org

FPHG -
... and litter and enter vineyards in the spring. These overwintered adults do not cause serious damage. Depending on the length of ... soil surface, spin a dirty-brown silk cocoon, and pupate. Adults emerge in mid- to late summer, mate, and lay eggs beneath ... , cut off and burn infested parts of the canes before adults emerge from them in late summer. Grapevine flea beetles, Altica chalybea (Illiger ...
ssfruit.cas.psu.edu

FPHG -
... common throughout fruit orchards located in all fruit-growing areas of Pennsylvania. European apple sawfly adults are about 5/16 inch long and wasp like, but with a broad attachment of ... segment. Sawflies overwinter as larvae in the soil and have only one generation per year. Adults emerge during late pink and early bloom. Eggs are laid on the calyx end of developing ...
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