Handsome Trig

Phyllopalpus pulchellus

Phyllopalpus pulchellus, known generally as the red headed bush cricket, handsome trig or handsome bush cricket, is a species of winged bush cricket in the family Trigonidiidae. It is found in the eastern United States. Source

Where it is now

In the last 8 weeks this insect was recorded 12,016 times across 10 areas (each area is a 5 degree square).

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Movement and weather

Each season it is first heard regularly where daytime highs are around 30°C (typically 27 to 31°C, from 6 areas). That holds across 15° of latitude, which suggests its timing follows temperature more than the calendar.

Over the weeks it was present in the past year, its centre in North America ranged from 31°N in August to 42°N in October, about 1,300 km apart.

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.