These minute parasitoid wasps are formidable natural regulators of moth and butterfly populations. Females detect chemical trails left by adult moths to locate fresh host eggs, inserting their own offspring inside to consume the host from within. Widely reared for commercial biological pest control, they help protect crops and stored grains without chemical pesticides.
ParasitoidMicroscopicBeneficial Insect
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Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Key facts
Diet & prey
Moth eggs
Butterfly eggs
Floral nectar
Predators
Spiders
Predatory mites
Ants
ThreatsBroad-spectrum chemical insecticides
HabitatsAgricultural fields, gardens, orchards, and stored grain facilities
Life span7–14 days as adults
Size / weightNot available
Classification
FamilyTrichogrammatidae
SpeciesTrichogramma evanescens
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
Low
Moderate
High
Very high
Why interaction risk is low
Safe to observe at a normal distance.
Responsible observation
Biological Control: Released commercially in greenhouses and gardens to suppress moth populations naturally.
Magnification Needed: Examine host moth eggs with a hand lens to spot blackened, parasitized eggs.
Pesticide Caution: Avoid broad-spectrum chemical sprays to protect these beneficial micro-wasps.
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