Leafhopper Assassin Bug

Zelus renardii

This clever predator scrapes sticky resin from plants onto its forelegs, using it like natural adhesive tape to trap fast-moving prey.

Scientific name
Zelus renardii
Taxonomy
Animalia › Arthropoda › Insecta › Hemiptera › Reduviidae › Zelus
IUCN Red List status
Least Concern
Population trend
stable
Biome
grassland
Habitat
Agricultural fields, gardens, forest edges, and scrublands.
Diet
Leafhoppers, aphids, thrips, caterpillars, and other small soft-bodied insects.
Range
North America, Central America, Europe, Hawaii
Size
10 to 14 mm in length
Lifespan
9 to 12 months
Active
diurnal
Threats
Widespread pesticide use in agriculture and residential gardening.
Safe to approach?
Defensive. Harmless to humans unless handled. If provoked or squeezed, it can deliver a painful, burning bite with its piercing rostrum. Observe from a safe distance of a few inches. If bitten, wash the area thoroughly with soap and water and apply a cold compress; seek medical attention if signs of an allergic reaction develop.

Zelus renardii , the leaf hopper assassin bug, is a predacious insect contained within tribe Harpactorini. Diurnal and found on both wild and crop plants, Z. renardii has spread from its native habitats in western North and Central America into three other biogeographic regions across the globe.

Photo: Jesse Rorabaugh, CC0, via iNaturalist

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