Argiope bruennichi
Classification
- Phylum: Arthropoda
- Subphylum: Chelicerata
- Class: Arachnida
- Order: Araneae
- Infraorder: Araneomorphae
- Family: Araneidae
- Genus: Argiope
- Species: bruennichi
Pronunciation
How to pronounce Argiope bruennichi: /ˈɑːr.dʒi.oʊp ˈbrɛn.nɪ.ki/
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Summary
Argiope bruennichi, the wasp spider, is known for its distinctive coloration and web-building behavior. It exhibits sexual dimorphism, with females being significantly larger than males. Males employ strategies to mate successfully while avoiding cannibalism by females.
Physical Characteristics
Distinctive yellow, white and black markings on its abdomen, with females averaging 15 mm in length and males averaging 4.5 mm.
Identification Tips
Look for the distinctive yellow and black markings on the abdomen. Their webs have a characteristic zigzag decoration (stabilimentum) at the center.
Habitat
Often found in long grass just above ground level, building a spiral orb web at dawn or dusk.
Distribution
Central and Northern Europe, several regions of Asia, parts of the Middle East, North Africa, and the Azores.
Diet
Insectivorous; immobilizes trapped prey by wrapping it in silk and injecting it with venom and enzymes.
Life Cycle
Undergoes typical spider life cycles; females may consume males after mating, impacting male reproductive success.
Reproduction
Sexual reproduction involving notable sexual dimorphism; males may plug females after mating to prevent further copulation.
Ecosystem Role
Predatory species that helps control insect populations in their habitat.
Tags
- web-building
- sexual dimorphism
- cannibalism
- insect control
- Orb-weaver spider