Aphelinus abdominalis – Broad-Spectrum Parasitic Wasp for Aphid Control

★★★★★ 4.3 119 reviews

US$82.25
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Management number 250625532 Release Date 2026/09/17 List Price US$82.25 Model Number 250625532
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A dual-action wasp that parasitizes and eats aphids other parasitoids struggle with

Some large aphids, like potato and foxglove aphid, shrug off the usual parasitoids, and that is where Aphelinus abdominalis comes in. It works two ways at once: females lay eggs inside aphids and also feed directly on others, so you get parasitism plus immediate host-feeding mortality from one wasp. It thrives in warm conditions and lives longer than most Aphidius species, which makes it a strong choice for recurring, hard-to-shift aphid problems.

Dual action: parasitizes and host-feeds Targets large, stubborn aphids Ships live, overnight Tuesdays

Live insects ship on Tuesdays only and arrive Wednesday. Orders must be placed 7 days in advance. Anything ordered by 3pm EST Tuesday ships the following Tuesday by UPS overnight shipping.

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A single-mode parasitoid vs. a dual-action wasp
Standard parasitoid
  • Large aphids resist many standard parasitoids
  • Parasitism alone can be slow to show
  • Most parasitoids are short-lived
  • Sprays leave residue and harvest timing
  • Broad products harm other beneficials
  • Reactive only
Aphelinus abdominalis
  • Built for the large, stubborn species others miss
  • Also host-feeds for an immediate cut in numbers
  • Lives longer than most Aphidius species
  • No residue, no re-entry interval
  • Selective wasp spares your other biocontrol
  • Ideal for recurring, chronic aphid pressure
Why the dual-action wasp hits harder

Two ways to kill aphids Parasitizes + host-feeds

Females both lay eggs inside aphids and feed directly on others, so you get parasitism plus immediate host-feeding mortality, giving higher overall kill than parasitism alone.

Made for the tough species

Aphelinus targets large aphids like potato and foxglove or glasshouse aphid, the species that are less responsive to other parasitoids.

Longer-lived adults

It lives longer than most Aphidius wasps, so each release keeps working the colony for an extended stretch, which suits chronic problems.

Distinctive mummies

Parasitized aphids swell into gray or brown mummies as the larva develops, giving you a clear visual sign the wasps are established.

Thrives in warm rooms

It performs best in warm conditions, making it well matched to indoor grow rooms and greenhouses running recurring aphid pressure.

Self-perpetuating

Adults chew out of the mummies and continue the cycle, so repeated releases build an on-site defense over time.

Pest species it targets
Potato aphid Foxglove aphid Glasshouse potato aphid Other large aphids
Where it works best
Temperature
59-95°F (15-35°C); strong in heat
Humidity
Moderate to high
Mode
Parasitizes and host-feeds
Note
Not very mobile; release at hotspots
Application instructions
1

Release the mummies right at infested plants, since the adults do not travel far.

2

Spread the material on slabs or in release boxes; keep it dry for a few days.

3

Typical rate 0.25-4 per m²; repeat several times.

4

Holds up better than Aphidius wasps in hot conditions.

How Aphelinus clears stubborn aphids

1

Release near the colonies

Set out the container among the plants near large-aphid clusters, out of direct light and drip.

2

Wasps parasitize and feed

Females lay eggs inside some aphids and feed directly on others, killing pests two ways at once.

3

Aphids become mummies

Parasitized aphids swell into gray or brown mummies as the wasp develops inside.

4

Wasps keep working

Long-lived adults emerge and continue the cycle, so a release presses a chronic colony for an extended period.

What you get and how to size it
What ships to you
  • Live Aphelinus abdominalis parasitoid wasps
  • Release container and count for your chosen size
  • Release and care instructions
  • Insulated overnight packaging
Sizes and options
  • Release size: matched to infestation and area
  • Pairs well with: Aphidius ervi for heavy large-aphid pressure
  • Best for: recurring potato and foxglove aphid problems
Aphelinus or Aphidius ervi? Both target large aphids. Aphelinus adds host-feeding and longer life for chronic, stubborn infestations, while ervi is the efficient everyday large-aphid wasp. Many growers pair them on heavy pressure. Call us and we will advise. Call or email us: 716-217-0353 / help@
Frequently asked questions
Two things. First, it is dual-action: it parasitizes some aphids and feeds directly on others, so it kills two ways instead of one. Second, it lives longer than most Aphidius species. That combination makes it especially good for large, stubborn aphids like potato and foxglove that keep coming back.
For chronic, hard-to-shift large-aphid problems, the host-feeding and longevity often justify it. For routine or lighter aphid pressure, a standard Aphidius wasp or the 4-Way Mix is more economical. If you are a commercial grower or building a large order, call us for pricing we cannot post publicly.
Yes. It pairs well with Aphidius ervi on heavy large-aphid pressure, and with fast predators like Aphidoletes or green lacewing when you also need quick knockdown. We are happy to build the right combination with you.
Live insects ship overnight on Tuesdays only, so they arrive Wednesday while still fresh. Place your order at least 7 days ahead so we can include you in the next weekly dispatch. We cannot ship live insects to HI, PR, VI, GU, AS, or PW. Open the package and release the same day it arrives.
If you receive a defective or damaged unit, email us a photo at help@ and we'll make it right immediately. For change-of-mind returns, we accept returns within 30 days for items in new, resalable condition. If you're not sure whether this product is right for your setup, call us first at 716-217-0353. We'd rather answer your questions before you order.
Happy Hydro has been selling growing equipment since 2006. We've carried Beneficial Insects for years because the biology works and customers who buy it leave happy. Have questions before you order? Call 716-217-0353 or email help@. We're easy to reach and happy to help!

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