Spine-tipped Dancer

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Identification

Males are blue to violet with dark abdominal patterning; the common name refers to male appendage structure that ordinary distant views do not show.

Males are blue to violet with dark patterning, but the defining feature is structural: a long spine-like extension on the paraprocts. A distant color image cannot establish that character against Aztec or Sierra Madre Dancers.

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Documented range

The checklist places Spine-tipped Dancer from Arizona and New Mexico south to southern Mexico.

Arizona and New Mexico are the only supported U.S. states. California, Colorado, Nevada, Texas and Utah should not be implied from the broader Southwest theme.

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Habitat & flight period

Rocky streams, spring runs and shaded river edges in foothill and mountain country.

Warm-season records are most likely, though elevation and seasonal water make local dates variable.

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Finding strategy

Photograph lateral and dorsal views of the abdominal tip and seek expert confirmation for U.S. range-edge records.

At rocky streams or spring runs in verified range, prioritize a sharp lateral macro view of the abdominal tip plus a dorsal full-body frame. If the structure is hidden, record the insect conservatively instead of forcing the species name.

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Similar species

Other Argia—especially Aztec and Sierra Madre Dancers—can create a similar blue-violet impression.

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Photography in the field

A macro view of terminal structures is the documentary priority; keep flash diffuse and use the fewest frames needed.

Protect the water edge, keep a working distance, and leave the insect and its perch as found.