Most observed native antmimic and ground sac spiders
Native to the US, by how plants support them, most observed first.
Other species All
19 native species with no plant ties on record, most observed first.
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Long-palped Ant-mimic Sac Spider
Castianeira longipalpus
4,452 observations
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Red-spotted Ant-mimic Sac Spider
Castianeira descripta
3,119 observations
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Two-banded Ant-mimic Sac Spider
Castianeira cingulata
1,209 observations
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Orange Ant-mimic Sac Spider
Castianeira amoena
1,206 observations
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Castianeira thalia
677 observations
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Castianeira occidens
351 observations
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Castianeira athena
238 observations
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Variegated Ant-mimic Sac Spider
Castianeira variata
203 observations