Species Account

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Summary Data

Season (Adult / Immature):

National Status: None

Local Status: Abundant and widespread resident. Must be treated as agg, unles

Local Record: Grade G   See here for explanation

Flight time: One generation, Jul-Aug

Forewing: 11-16mm.

Foodplant: Grasses.

Regional breakdown:

Year first recorded19291930192618861940
Year last recorded20142014201420142014
Number of records101233632362054591231
Number of individuals11979942001209515524315169
Unique positions22721223027667
Unique locations21820722228663
Adult records100393590349052551217
Immature records292000

For the county, we have a total of 24065 records from 996 sites. First recorded in 1886.


73.169x Common Rustic agg 01
© Charles Fletcher, 18 Aug 2005

Species Account

2012 (CHF): Please record Common Rustic/Lesser Common Rustic as Common Rustic agg. if using MapMate rather than Mesapamea sp. Despite what some books may suggest, these two species are never separable on wing markings. Be careful with genitalia examination as they can be tricky to separate. The aggregate species is widespread and common all across the county and can appear in huge numbers eg 1010 at Haxby on 10.8.2009.

See background to species accounts.  Index of Vernacular names - Search - Random Species