Twolined Spittlebug
Prosapia bicincta

Prosapia bicincta, the two-lined spittlebug, is a species of insect in the family Ischnorhinidae . Adults are black with two red or orange lines crossing the wings. It reaches a length of 8–10 mm. It is widespread in the eastern half of the United States. A similar species, Prosapia simulans, can be found throughout Central America where it is considered an agricultural pest. 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).
See the Twolined Spittlebug on the live map
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.
| Region | First arrival | Last arrival | Typical peak | Areas |
|---|---|---|---|---|
| North America | 20 April 2026 | 20 April 2026 | 11 May 2026 | 1 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.