Araneae25 species

Family Antmimics and Ground Sac Spiders (Corinnidae)

Corinnidae is a family in the order Araneae. Browse 25 named species recorded in this family, or open an individual profile for its available identification and natural-history information.

Species in Corinnidae (25)

Prairie Ant-mimic Sac Spider

Castianeira alteranda

Castianeira alteranda is a species of true spider in the family Corinnidae. It is found in the USA and Canada.

Two-banded Ant-mimic

Castianeira cingulata

Identification: There are two forms of this spider Palp

Castianeira dorsata

Identification: Palp Epigynum Also, see the content associated with this specimen:

Castianeira floridana

Castianeira floridana is a species of true spider in the family Corinnidae. It is found in the United States and Cuba.

Castianeira gertschi

Identification: This species has an abdomen that darkens to dark brown at the posterior end. We believe this is a reliable field marking for this species.

Castianeira thalia

Identification: There are two main patterns in this species 1. The basic black & white 2. The black & white with overlying red/orange marking These patterns are alluded to in Reiskind 1969, who comments under Remarks: "A single specimen of C. thalia

Castianeira variata

Identification: This species is similar in general appearance to Castianeira longipalpus . It differs at sight in having the posterior tibiae marked with distinct basal and distal yellow annulae(rings)**. Carapace dark reddish brown to nearly black w

Creugas bajulus

Identification: "Carapace dark reddish brown... Chelicerae concolorous with the head... Abdomen uniform light gray... Abdomen elongate, oval, moderately high... [Male:] Abdomen with a yellow scutum above at base."

Falconina gracilis

Identification: Male: Female: "This South American species has been introduced to the Gulf States and seems to be associated with the imported fire ant, Solenopsis invicta in Texas (J Cokendolpher, pers. comm.)" ( 4 )

Phrurolithus festivus

An ant mimic and a distinctive and well marked small spider. Often found on the ground or under stones etc. It is surface active during the daytime and is often found in the company of ants. Phrurolithus festivus is fairly frequent in southern Britai

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Castianeira alata

Castianeira amoena

Castianeira athena

Castianeira crocata

Castianeira crucigera

Red-spotted Ant Mimic Spider

Castianeira descripta

Ant Mimic Spider

Castianeira longipalpa