Guardian Nature School Team Contact Blog Project Noah Facebook Project Noah Twitter

A worldwide community photographing and learning about wildlife

Join Project Noah!
nature school apple icon

Project Noah Nature School visit nature school

Arrow-shaped Micrathena

Micrathena sagittata or or Micrathena sexspinosa.

Description:

Micrathena sagittata is a species of spider belonging to the family Araneidae. It is found in the eastern United States and throughout Central America. This is a striking spider with a distinctive arrow-shaped abdomen which is largely yellow, with black depressions above and variable red and black patterning below. Males are up to 5 millimetres (0.20 in) in length (excluding legs), but females are much larger at around 9 millimetres (0.35 in). The males lack spines. They leave a hole in the center of their web to assist in motion.

1 Species ID Suggestions

arrow shaped micrathena
Micrathena sagittata Micrathena sagittata


Sign in to suggest organism ID

8 Comments

RiekoS
RiekoS 10 years ago

Nice looking spider.

JanineLingTurner
JanineLingTurner 10 years ago

it was a pleasure, awesome pics.

pamsai
pamsai 10 years ago

thanks Ignacio for this extra info about the ID...

pamsai
pamsai 10 years ago

thanks Janine for the ID..

Ignacio Gamboa
Ignacio Gamboa 10 years ago

With this shot is kinda hard to ID, it would be easier if you had a dorsal view too. In any case it's an Arrow-shaped spider either Micrathena sagittata or Micrathena sexspinosa.

JanineLingTurner
JanineLingTurner 10 years ago

well spotted.

pamsai
pamsai 10 years ago

yes I agree, ChiefRedEarth

Interesting web!

pamsai
Spotted by
pamsai

San José, Costa Rica

Spotted on Jul 17, 2013
Submitted on Oct 25, 2013

Related Spottings

Arrow-shaped Micrathena Spined Micrathena Spined Micrathena white micrathena

Nearby Spottings

Spotting Doris Longwing Inca Metalmark Glittering Sapphire (female)
Noah Guardians
Noah Sponsors
join Project Noah Team

Join the Project Noah Team