Arachnids › Sheetweb and Dwarf Weavers

Black-tailed Ostearius

Ostearius melanopygius

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Alaska.January 42, February 31, March 49, April 77, May 112, June 122, July 130, August 112, September 82, October 61, November 34, December 26.
United States885
Alaska879
France92
Australia63
South Africa40
Netherlands30
Western Cape28
Noord-Holland25
Victoria24
Portugal22

Counts show where people looked, not only where it lives.

Traits

Behavioral

  • CarnivoreEats other animals or animal-derived prey as a major part of its diet.Inferred from its group

Physical

  • ExoskeletonHas a hard external skeletonFrom its classification

Practical

  • VenomousProduces venom for defense or huntingFrom its classification

Group and habits

  • PredatorDescends from an animal lineage whose members commonly hunt other animals.Inferred from its group

Classification

KingdomAnimals · Animalia
PhylumArthropods · Arthropoda
ClassArachnids · Arachnida
OrderSpiders · Araneae
FamilySheetweb and Dwarf Weavers · Linyphiidae
GenusOstearius

Sources

Remember the name next time.

Practise Black-tailed Ostearius with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.