Elegant Grass-veneer

Microcrambus elegans

Microcrambus elegans, the elegant grass-veneer moth, is a moth of the family Crambidae which was first described in 1860 by James Brackenridge Clemens. Adults are on wing from June to August in the north and from March to October in the south. There is one generation per year in the north and multiple in the south. Source

Where it is now

In the last 8 weeks this insect was recorded 12 times across 3 areas (each area is a 5 degree square).

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Movement and weather

Over the weeks it was present in the past year, its centre in North America ranged from 28°N in March to 44°N in August, about 1,800 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.