ANTHONOMUS EUGENII PDF

Jul 31, PDF | On Jan 1, , John L. Capinera and others published Pepper Weevil, Anthonomus eugenii Cano (Insecta: Coleoptera. Summary. Anthonomus eugenii Cano (Coleoptera: Curculionidae) was observed for the first time in Italy and the Mediterranean Region attacking sweet pepper. The pepper weevil (Anthonomus eugenii) feeds and lays eggs on the genus Capsicum and a few species of Solanum (Solanaceae). It is an important pest of .

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Sequential sampling plan, yield loss components and economic thresholds for the pepper weevil, Anthonomus eugenii Cano Coleoptera: In central Florida, adults are common from March until June, reflecting the antjonomus of peppers, but a few can be found throughout the year except in December and January.

Pepper weevil

The female creates an egg cavity with her mouthparts before eugenki the egg, and seals the puncture containing the egg with a light brown fluid that hardens and darkens.

Management Back to Top Sampling. Pepper weevil populations persist only where food plants are available throughout the year, largely limiting its economic pest status to the southernmost state in the USA. Insecticides are commonly applied to the foliage at short intervals once buds begin to form. Both adult and larval feeding causes bud drop. A clean, round hole marks the escape of the eguenii from the bud or fruit.

The thorax and elytra are mostly covered with small scales. Journal of Agriculture, University of Puerto Rico eygenii The figure for third instar development time contains a prepupal period of about 4.

Adult is shown to the left. The body is strongly arched and with a long, stout beak as is typical for this genus. Photograph by David Riley, University of Georgia; www.

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Anthonomus eugenii –

Pepper weevil larvae develop only plants in the family Solanaceae. Because transplants are shipped northward each spring, however, pepper weevil sometimes occurs in more northern locations. The pupal cell is brittle and found eugenik the blossom or fruit.

Among vegetables, all varieties of pepper are susceptible to attack, tomatillo is a moderately susceptible host, and eggplant grown in proximity to pepper will sometimes be injured.

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Each femora bears a sharp tooth. Sampling and dispersion of pepper weevil Coleoptera: The adult emerges from the pupal case three to four days after being formed. Refined action threshold for pepper weevil adults Coleoptera: The color is dark mahogany to nearly black. Oviposition occurs on plants in the genera Capsicum and Solanumbut feeding by adults extends to other Solanaceae such as PhysalisLycopersiconDaturaPetuniaand Nicotiana.

If visual monitoring is preferred, terminal bud sampling is effective, although more beetles are present in the morning than evening Riley et al. Action thresholds anthpnomus one adult per terminal buds Riley et al.

Feeding damge to plant stalk caused by larva of the Cuban pepper weevil, Faustinus cubae Boheman. Similarly, a crop-free period, if accompanied by destruction of alternate hosts, can disrupt the life cycle.

Pupa of the pepper weevil, Anthonomus eugenii Cano. Traps should be placed 10 to 60 cm above the soil; one sq cm trap captures as many weevils as are detected by inspecting 50 buds Riley and Schuster The larvae, which are similar in appearance to Anthonomus euginiibore in the stems of pepper and related plants, sometimes entering the fruit.

Larva of the Cuban pepper weevil, Faustinus cubae Boheman. They lack thoracic legs anthonkmus have few large hairs or bristles. Feeding begins immediately after emergence. Mean development time of the larvae is about 1. Biologia del picudo del pimiento, Anthonomus eugeniiCano Coleoptera: Department of Agriculture Technical Bulletin Third instars measure about 3. In some areas of central and south Florida another weevil is found affecting pepper, Faustinus cubae Bohemanwhich is often called the Cuban pepper weevil.

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Rodiguez, University of Florida. The origin of the eugsnii weevil likely is Mexico, though it has spread throughout most of Central America and the Caribbean, and to the southern USA.

The mean incubation period is 4.

Anhonomus Agricultural Experiment Station Bulletin Sometimes the fruit is deformed. The occurrence of Catolaccus hunteria parasitoid of Anthonomus eugeniiin insecticide treated bell pepper.

Segarra-Carmona and Pantoja b estimated that economic damage commences with adult populations of 0. Tropical Pest Management Dorsal view of pupa with head and rostrum shown in ventral view.

Larvae are aggressive, with only a single larva surviving within a bud, though more than one can occur within larger fruit. Feeding damage on pepper caused by larvae of the pepper weevil, Anthonomus eugenii Cano. Males produce an aggregation pheromone that attracts both sexes Eller et al.

Damage Back to Top Xnthonomus important form of damage is destruction of blossom buds and immature pods. An action threshold for management of the pepper weevil Coleoptera: