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- Asparagus aphids are small, oval, green to gray aphids that may be covered in a waxy secretion123. They often occur in dense clusters and may be winged or wingless1. Unlike many aphids, they have no visible ‘cornicles’, two exhaust pipe-like structures on the tip of the abdomen143. Asparagus aphids feed in colonies on the ferns of asparagus and cause severe stunting of the foliage and gives fronds a tufted, blue-gray appearance2. They inject a toxin when feeding and a few aphids per plant are enough to lead to economic injury5.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.Asparagus aphids are small (1.6 to 2 mm), oval, green to gray aphids that may be covered in a waxy secretion. Unlike many aphids, they have no visible ‘cornicles’, two exhaust pipe-like structures on the tip of the abdomen. They often occur in dense clusters and may be winged or wingless.ag.umass.edu/vegetable/fact-sheets/aphid-asparagusAsparagus aphids are small (1⁄16″), powdery gray to gray-green insects. They may be winged or wingless. They feed in colonies on the ferns of asparagus and are typically found at the base of leaves. Aphid feeding causes severe stunting of the foliage and gives fronds a tufted, blue-gray appearance. Shoots of mature plants are severely stunted.hortsense.cahnrs.wsu.edu/fact-sheet/asparagus-as…The powdery, pale green asparagus aphid is only a few millimeters long. Like other aphids, it is a pear-shaped, soft-bodied insect with a pair of tailpipe-like appendages (cornicles) on its abdomen.content.ces.ncsu.edu/insect-and-related-pests-of-v…Description: The asparagus aphid is a recent import from Europe that causes a brooming distorted growth of the ferns of asparagus. It is bluish gray in color, and the cornicles aren’t readily apparent. Normally only isolated plants are affected and can be spot treated.vegento.russell.wisc.edu/pests/aphids/Asparagus aphids cause damage to the plants by injecting a toxin when feeding and a few aphids per plant are enough to lead to economic injury. Aphids do not feed on the spear, but prefer to feed on fern, causing bushy, distorted branching, yield loss for next year’s crop, and, if damage is severe, the plant may be killed.www.canr.msu.edu/news/check_your_asparagus_f… Check your asparagus field for aphids - MSU Extension
Asparagus aphids cause damage to the plants by injecting a toxin when feeding and a few aphids per plant are enough to lead to economic injury. Aphids do not feed on the spear, but prefer to feed on fern, causing bushy, distorted branching, yield loss for next year’s crop, and, if damage is severe, the plant may be … See more
The asparagus aphid overwinters in the egg stage on the fern residue left in the field. Eggs hatch in the spring; nymphs and adults feed on the spears and fern. Their only host is … See more
Asparagus aphids can be easily distinguished from other aphids because they are very small (1 to 1.5 mm), grey-green with a bluish tint and the body is covered with a white, waxy secretion. They have inconspicuous cornicles (two “exhaust pipe” like … See more
Populations tend to build up later in the season in established asparagus after the field is in full fern. Young fields where spears are not picked, nurseries and volunteer plants … See more
Place a white beat sheet (larger is better) at the stem below the fern. Put your arm around the bush and shake the fern vigorously into the beat sheet. Closely examine the beat … See more
Disease and Insect Pests of Asparagus
Nov 9, 2015 · Asparagus Aphid. Brachycorynella asparagi Family – Aphididae. Identification. Adults and nymphs are bluish gray, milky opaque with a powdery texture. They are some of the …
Pests of Asparagus - NC State Extension Publications
Dec 2, 2024 · Asparagus aphid—Pale green, powdery, and up to 3/32 inch long, asparagus aphids feed on leaves and bracts, causing infested plants to become stunted or die. …
Asparagus pest management - UMN Extension
The asparagus aphid is a minute (about 0.06 inch long), blue-green sucking insect that usually feeds on asparagus fern. The aphid feeds only on the fern, but can still be quite destructive. …
Asparagus: Asparagus aphid | Hortsense - Washington State …
Apr 4, 2023 · Asparagus aphids are small (1⁄16″), powdery gray to gray-green insects. They may be winged or wingless. They feed in colonies on the ferns of asparagus and are typically found …
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disease pests of asparagus. Because each pest is different, control strategies are most effective when they are tai-lored to the species present in your production fields. For this reason, this …
Aphids | Wisconsin Vegetable Entomology
Description: The asparagus aphid is a recent import from Europe that causes a brooming distorted growth of the ferns of asparagus. It is bluish gray in color, and the cornicles aren’t …
Aphid, Asparagus - Center for Agriculture, Food, and …
Asparagus aphids are small (1.6 to 2 mm), oval, green to gray aphids that may be covered in a waxy secretion. Unlike many aphids, they have no visible ‘cornicles’, two exhaust pipe-like structures on the tip of the abdomen. They often occur in …
Asparagus Aphid: Brachycorynella asparagi | Integrated Pest …
The asparagus aphid was brought over from Europe as recently as 1969. It is primarily a pest in the arid Northwest, but can occasionally be a minor problem in the Northeast as well. It will …
Asparagus Aphid, Brachycorynella asparagi (Mordvilko) …
The most important character for distinguishing viviparous asparagus aphid from other asparagus-infesting species is the inconspicuous cornicles and long cauda of B. asparagi. Egg-producing …
Asparagus | Pacific Northwest Vegetable Extension Group
Aphids feed on ferns and can stunt growth of asparagus. Feeding on mature ferns can lead to tufting of growth beyond the point of injury. Newly emerging shoots then have short internodes, …
Asparagus Asparagus - CT.gov
Asparagus aphid, Brachycorynella asparagi. This blue-gray aphid overwinters as eggs on fern residue left in the field. When the eggs hatch, the aphids feed on spears and then the fern. …
Asparagus Insects | Hortsense | Washington State University
Asparagus: Asparagus aphid categories: Asparagus Asparagus Insects Vegetables revision date: 2023-04-04 12:00 Aphid colony on leafPhoto by: A.L. Antonelli Biology Asparagus aphids are …
Asparagus (Asparagus officinalis) | Home and Garden Education …
Asparagus is a low calorie, high fiber food that contains Vitamins A, C, K and folate. Asparagus grows best in well-drained loamy soil. Asparagus roots that sit in water-logged soil may …
Asparagus > Spear > Deformed spear - University of Minnesota …
Asparagus Aphid Brachycorynella asparagi. Feed on asparagus fern; Aphid causes "witch's broom", a bushy appearance to the ferns; High aphid populations will reduce plant vigor and …
Asparagus Pests - Master Gardener Program
In this section, you’ll create pest profiles on common insect and disease pests of asparagus. Prepare yourself to catch problems before they’re out of control by learning about the biology …
Asparagus beetles | UMN Extension
The common asparagus beetle and the spotted asparagus beetle feed on asparagus spears and cause browning and scarring. Start looking for these pests in early May or just after asparagus …
Pest & Disease Control for Asparagus Plants - Stark Bro's
European Asparagus Aphid. Small blue to gray-green aphid often covered with a powdery wax. Hard to spot until damage has occurred. Damage is primarily from toxin that is injected into …
Fact Sheets | Hortsense | Washington State University
Grey Biology Bean aphids are small, pear-shaped, dark green to black insects. These soft-bodied insects often feed […] WSU Extension programs and employment are available to all without …
Aphid management in vegetable crops - Vegetables
Jun 18, 2020 · There are several naturally occurring beneficial insects that feed on aphids, such as lady beetles, lace wings and hover flies, but these need to be protected from foliar broad …
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