Common True Katydid

Pterophylla camellifolia

Pterophylla camellifolia, the common true katydid, is a common North American insect. It can be found in southeastern Canada, through the eastern United States from Maine to Florida. P. camellifolia belongs to the family Tettigoniidae (katydids). Within the Tettigoniidae, it belongs to the subfamily Pseudophyllinae. Other common names include northern true katydid and rough-winged katydid. Source

Where it is now

In the last 8 weeks this insect was recorded 36,063 times across 8 areas (each area is a 5 degree square).

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Arrival dates

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.