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Dalotia (Atheta) coriaria

Dalotia (Atheta) coriaria species of staphylin

Description


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.

They are light to dark brown in color; adults are 3-4mm long and are slender with short wing covers. Rove beetles 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

.

Targeted crops



  • Market garden crops (cucumbers, tomatoes, peppers, lettuce, etc.)
  • Ornamental plants (diversified, poinsettia, etc.)
  • Mushrooms
  • Potted plants
  • Cannabis
  • Bedding plants
  • Tree Nursery

Targeted pests



  • Fungus gnats
  • Shore flies (Scatella stagnalis)
  • Small fruits thrips (Frankliniella occidentalis)
  • Mite pests
  • Roots Mealybugs (Rhizoecus spp.)
  • Roots Aphids (Pemphigus spp.)
  • Collembola (springtails)
  • Black Vine Weevil (Otiorynchus sulcatus)
  • Nematode pests
  • Moth eggs

Life cycle


  • 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.

Format



Container

  • 100 or 1000 adults and juveniles.

Introduction rate



Dalotia (Atheta) coriaria
Introduction Quantity Surface Frequency Duration
Preventive 1 per m2 or 100-1000 per greenhouse weekly or bi-weekly until a total of 1/ m2(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

Additional information



  1.   - Atheta Technical Manual - Applied Bio-nomics Ltd.

Targeted pest


Targeted production




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