FGMN Nursery

Dalotia coriaria - Rove Beetle

Name: Dalotia coriaria - Rove Beetle
Brand: FGMN Nursery
SKU: RoveBeetles
Price: 74.00 USD
Availability: InStock

$74.00

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Tired of Fungus Gnats? Meet the Beetle That Lives to End Them.

This is Dalotia coriaria, also known as the rove beetle. It doesn’t just suppress fungus gnats—it hunts them down, flips the soil, and ruins their entire reproductive plan.

It works quietly, overnight, and underground. And it works fast.

Dalotia coriaria (Rove Beetle)

Fast-Acting Soil Predator for Fungus Gnats, Shore Flies, and Thrips Pupae

You won’t see Dalotia often—but you’ll know it’s there. Fewer fungus gnats. Stronger roots. No more mystery stunting in your soil-grown plants.

This beetle is highly mobile, nocturnal, and specialized for top-layer substrate hunting. It thrives in peat, coco, leaf litter, worm castings—basically anything with a little moisture and organic matter.

What It Targets

Pest	Notes
Fungus gnat larvae	Primary target. Lives to destroy them.
Shore fly larvae	Added bonus—will clean up moist trouble zones.
Thrips pupae (in soil)	Complements foliar predators like Swirskii and Andersoni.

Note: Dalotia does not hunt adult thrips. Pair with foliar predators for full lifecycle coverage.

How It Lives

Lifespan: ~3–4 weeks
Reproduction: Eggs to adults in under 3 weeks
Activity: Mostly nocturnal, fast, and fully uninterested in sticky traps
Habitat: Top 1–2 inches of moist soil, mulch, or substrate

This is one of the few biological controls that actually runs down its prey.

How to Use Dalotia

Use Case	Application Rate
Preventative	1 beetle per sq. ft., every 4–6 weeks
Active infestation	1–5 beetles per sq. ft., depending on severity

Apply directly to the substrate—no need to bury or prep
Distribute across beds, pots, or propagation trays
Can be combined with nematodes or soil mites—no conflict

Treatment or Prevention?

Both.

Use it as a treatment when fungus gnats or shore flies are already active.
Use it as prevention in propagation zones, tents, or high-risk areas.
Reapply periodically to maintain coverage and reproduction cycles.

Dalotia starts hunting immediately on arrival—and if conditions are right, they’ll reproduce and persist.

Why Choose Dalotia?

Feature	Advantage
Speed	Unlike mites, they cover real ground and chase prey
Target-specific	Especially lethal to fungus gnat larvae
Reproductive	Builds population over time, unlike nematodes
Humidity-flexible	Doesn’t need ultra-humid conditions to work
Cooperative	Plays well with mites, nematodes, and other biocontrols
Efficient	Active hunters that don’t wait for pests to walk by

Use Stratiolaelaps for slow, steady coverage. Use Dalotia when you want a hit squad.

Environmental Fit

Factor	Ideal Range
Temperature	68–85°F
Humidity	Flexible; 50–80% preferred
Light Sensitivity	Shy during the day, active overnight
Substrate Type	Peat, coir, compost, worm castings, etc.