The flight period begins in March and last into September.

The flight period of the adults is all year, but they are most common from March to May.

Generally, the flight period begins when snow patches are still on the ground.

The flight period extends to the whole year in the tropical habitat.

The collection date indicates a flight period in January.

They appear to have a very short flight period.

The flight period is year-round but more common in late summer to autumn.

The flight period is from July to the end of October.

The flight period ranges from April to the end of August.

Its flight period is from late May to early August.