What characteristic coloration fact about the body generally indicates a spider is NOT a Cheiracanthium species?
Answer
If the spider is decidedly dark brown or black.
While the exact shade of yellow or green can vary based on age, environment, or recent feeding events, the *Cheiracanthium* group remains fundamentally light-colored. The abdomen is frequently pale yellow or greenish-yellow, and the cephalothorax mirrors this paleness. This adaptation aids in crypsis, allowing them to blend into pale vegetation or light-colored crevices where they rest. Therefore, the presence of a decidedly dark brown or black body coloration serves as a strong exclusionary factor; specimens exhibiting such dark pigmentation are almost certainly identified as a different species altogether.
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