Dalotia (Atheta) coriaria

Dalotia (Atheta) coriaria species of staphylin





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Identification card icon Identification

Dalotia (Atheta) coriaria is a native species of soil-dwelling rove beetle which feeds on small insects and mites (e.g. shore flies, fungus gnats, moth flies, springtails, root mealybug crawlers, aphids, spider mites). Adults and larvae are active and aggressive predators. To find preys, this rove beetle are able to move in organic matter (e.g residues of plants), drains and on the plant leaves. Dalotia (Atheta) coriaria adapts to different substrates such potting soil, coconut fiber, rockwool and can be introduce to hydroponic systems. In greenhouses, it establishes easily and maintain a permanent pression on pest populations.

Adults are 3-4 mm long and are slender with short wing covers. They are light to dark brown in color. Females lay eggs in the soil and larvae hatch 2-3 days later. Dalotia larva are thin and yellow to brown in color. They live in the ground. Both adults and larvae are active and voracious predators. Adult Dalotia have an interesting habit of curving the abdomen upwards like scorpions and can run or fly when disturbed. Since they actively fly, they rapidly colonize the release area.

Dalotia (Atheta) coriaria is compatible with the predatory mite Stratiolaelaps scimitus (Hypoaspis miles), Nematodes Steirnenema spp. and Heterorhabditis spp. and with bio-insecticides based on pathogenic fungus such as Bioceres WP

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  • Vegetables (cucumbers, tomatoes, peppers, lettuce, etc.)
  • Ornamentals
  • Mushrooms
  • Cannabis

  • Fungus gnats
  • Shore flies
  • Thrips (pupae)
  • Mites
  • Roots Aphids
  • Moth eggs

  • The sex ratio is equal, 1:1 females to males.
  • Eggs hatch in 3-4 days into young larval stages.
  • Each Atheta consumes 10-20 prey per day.
  • Larvae resemble adults, pupal chambers are constructed out of silk.
  • Adults live for 21 days .
  • Adults are non-diapausing under greenhouse conditions.

Vial

Vial withDalotia (Atheta) coriaria

Vial containing adults of Dalotia coriaria in perlite/coconut fiber.

Bag

Bag with Dalotia (Atheta) coriaria

Bag containing adults of Dalotia coriaria in perlite/coconet fiber.

Dalotia (Atheta) coriaria is most effective when applications are started before fungus gnat population becomes well established or while numbers are still low (below 10/trap/week). One application of Dalotia per crop cycle is usually sufficient if started early in the season.

To ensure reproduction and mating, release a maintenance rate of 50-100 Dalotia per production area. Be sure to treat areas with wet, exposed areas of soil, where fungus gnats and shore flies are likely to breed.

Application rate

Introduction rate
Introduction Quantity Surface Frequency Duration
Preventive 1 per m2 or 100-1000 per greenhouse weekly or bi-weekly until a total of 1/ m2(or 10/sq.ft)
Curative medium 5 per m2 weekly or bi-weekly as needed
Curative heavy 10 per m2 weekly or bi-weekly as needed
Maintenance 50-100 center of the greenhouse as needed as needed

Precautions

  • Sponges can not be subdivided, however well mixed solution can be portioned.
  • Once a sponge is mixed with water into a suspension, use the entire suspension immediately.
  • Use cool/tepid water for mixing and keep tank out of direct sunlight.
  • Remove filters that are finer than 100 mesh from application equipment and nozzles.
  • Do not use in application systems where nozzle aperture is smaller than 0.149 mm (149 microns).
  • Do not exceed 300 PSI pump pressure.
  • Provide gentle agitation or aeration to the nematode solution during application.
  • Do not store extra product once mixed with water.

  • Upon receipt of product, remove from shipping packaging and use immediately or store in a refrigerated area 5 °C (40 °F) Do not freeze.
  • Do not freeze.
  • Do not use if incorrectly stored.
  • Store for a maximum of 6 weeks.
  • Always check viability before making the root application (see section Before starting)

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    Dalotia (Atheta) coriaria


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