Key Identification Features
- Tigrosa annexa has two distinct dark brown to black bars on the dorsal side of its cephalothorax, and lighter yellowish gray lines are often present on each side of these bars.
- Lateral bands are typically absent, or only visible as indistinct lighter spots when present.
- In females, these yellowish patches are more distinct, and each patch contains a dark dot with a long dark hair.
- Females are characterized by the structure of their epigyne: the epigynal cavity is wider than it is long, and it is open posteriorly.
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