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Moderate drought arrives in Onondaga County
October 18, 2026
Abnormally dry conditions (D0) covered 83.11 percent of Onondaga County for the week of October 13-19, 2026, with a trace of moderate drought (D1) appearing for the first time this autumn at 0.09 percent of the county. The dry conditions represent a notable shift from early October when the county was entirely free of drought classification.
Common buckthorn spreading across Onondaga County
October 18, 2026
was observed 49 times in the past 30 days across the Ontario Lowlands, most recently on 2026-10-07 in Onondaga County. This introduced shrub forms dense monocultures that exclude native understory species across the region.
New England aster still blooming in Syracuse
October 18, 2026
continues active flowering through mid-October, with observations on Irving Avenue in Syracuse on 2026-10-14 and Davis Road South on 2026-10-13. This native fall-blooming perennial is at peak flowering as autumn advances, supplying nectar and seeds for migrating and overwintering wildlife.
More about Northern Caddisflies (Limnephilidae)
Fall caddisfly emergence signals clean water
October 21, 2026
Multiple caddisfly taxa were observed in early October, including Pycnopsyche antica on 2026-10-10 and (Limnephilidae) on 2026-10-01. These pollution-sensitive insects indicate cool, clean, well-oxygenated water needed for their larvae to develop. Fall emergence of caddisflies at this ecosystem's latitude peaks in October as temperatures drop.
Northern caddisflies emerge near Underhill
October 6, 2026
were recorded on October 1, 2026 near Underhill. This subfamily is very sensitive to organic pollution and their presence indicates clean, well-functioning aquatic habitat. The observation in early October marks successful emergence from a stream larval stage.
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