All subspecies of T. sirtalis (as recognized by iNat) and what regions they inhabit.
So far I have seen: 1
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✅ As the name suggests, found in the Puget Trough ecoregion.
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⭕ Western Florida, including the Panhandle. Not a subspecies with many observations, possibly because its range overlaps with T.s. sirtalis.
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⭕ MOST observed and widest ranging subspecies. Highly variable in its coloration, so care should be taken to not confuse it with another species, subspecies, or potential hybrid where ranges overla... More
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⭕ Found ONLY in the greater Chicago area. May range as far as Green Bay, WI, but seems confined to a very small region.
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⭕ SanFran southwards to Santa Cruz area. Highly localized subspecies.
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⭕ Great Plains subspecies, ranging from just east of the Rockies to the Mississippi River. This would be the subspecies most likely encountered by Midwestern relatives.
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⭕ Vermont, New Hampshire, and Maine, extending northward into the most southeastern Canadian provinces.
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⭕ In western states and BC where other subspecies are absent (though there may be some overlap in some areas). In Oregon: Occurs in most regions outside of the Willamette Valley, though sightings b... More
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⭕ Observations concentrated along the corridor of I25 from Albuquerque to Las Cruces, with the largest concentration of observations occurring around the former. Most encounters seem to happen in p... More
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⭕ Observations concentrated around populated areas along I35 from OK City area south to San Antonio area, with highest concentration of observations ocuring around the Dallas/FW region.
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✅ Seen (frequently). Endemic to the Willamette Valley and parallel coastal areas.
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⭕ Western California from Monterrey Bay northward almost to the state border, EXCEPT where it is replaced by T.s. tetrataenia.
