Acrobasis vaccinii

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Acrobasis vaccinii
Acrobasis vaccinii 5189090.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Pyralidae
Genus: Acrobasis
Species:
A. vaccinii
Binomial name
Acrobasis vaccinii
Riley, 1884

Acrobasis vaccinii, the cranberry fruitworm, is a moth of the family Pyralidae described by Charles Valentine Riley in 1884. [1] It is found in North America from Nova Scotia to Florida and from Wisconsin to Texas, it is introduced in the state of Washington.

Contents

The wingspan is 16–18 mm.

Larvae Acrobasis vaccinii.jpg
Larvae

The larva feed on Vaccinium corymbosum , Vaccinium macrocarpon , Vaccinium vitis-idaea and Vaccinium stamineum . Larvae feed inside a berry until most of its contents have been consumed. Larvae are mostly green, with some brownish-red pigmentation on the dorsal surface, and grow to about half an inch before pupation. Full-grown larvae over winter in a cocoon, and emerge as adults after full bloom and fruit set. Female moths lay their eggs on the fruit, usually on or within the calyx cup of unripe berries. [2] One generation emerges each year, [3] with each larvae feeding on as many as eight berries to complete its development.

Monitoring and control

Monitoring the flight of the moths using pheromone traps is essential for optimizing pesticide treatments. One particular pheromone lure, ISCAlure-Vaccinii, developed and manufactured by ISCA Technologies in Riverside, California, has been shown to be a highly effective tool for monitoring this pest. Alternatively, calyx ends of the berries can be inspected for eggs by experienced scouts. The eggs are flat, white, scale-like, and quite small, so this will probably require a hand lens. One method of control is to pick off infested berries. In larger fields, where such measures are impractical, treatments with broad-spectrum insecticides, such as Danitol, Asana, Mustang Max, or Imidan, may be required. [4]

Due to the increasingly negative public perception of these insecticides, a number of "softer" materials have been introduced in recent years, including Assail, Altacor, Avaunt, or Delegate.[4]

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Blueberry Section of plants

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<i>Cadra figulilella</i> Species of moth

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Blueberry shoestring virus (BBSSV) is a disease-causing virus that is commonly transmitted by the aphid vector, Illinoia pepperi. The blueberry shoestring virus disease is very prominent in highbush and lowbush blueberry plants in the northeastern and upper Midwest of the United States. Symptoms can vary significantly depending on the environment, but the most common disease symptoms are reddish streaking on young stems, reduced vigor and strap-shaped leaves. The blueberry shoestring virus disease can be managed by eliminating the aphid vector through the use of biological, chemical or cultural controls. In severe cases, the disease leads to an extensive loss of yield and marketable fruit.

References

  1. "Acrobasis Zeller, 1839" at Markku Savela's Lepidoptera and Some Other Life Forms. Retrieved June 15, 2017.
  2. Louisiana State University Agricultural Center Extension website, "Cranberry fruitworm." http://www.lsuagcenter.com/en/crops_livestock/crops/blueberries/pests/CranberryFruitWorm.htm
  3. Pennsylvania State Extension website, "Cranberry fruitworm." http://extension.psu.edu/plants/gardening/fphg/blueberries/insect-pests/cranberry-fruitworm
  4. Philip E. Marucci Center for Blueberry and Cranberry Research, "Cranberry fruitworm." http://pemaruccicenter.rutgers.edu/assets/PDF/Blueberry/iCranberry_Fruitworm.pdf Archived 2015-09-24 at the Wayback Machine