Howard County Bird Club
Gray Hairstreak
Place name abbreviations: MPEA – Middle Patuxent Environment Area; PRSP – Patuxent River State Park; PVSP – Patapsco River Valley State Park.
Click on the common name to obtain additional information from the Butterflies and Moths of North America web page and the following common name for additional information from USGS web page. BugGuide is another web resource.
Legend:
| Common name [Link is to BAMONA] (wingspan range in inches) Common name [link is to USGS] |
Occurrence level & flight period. | |
| Habitat. | Typically visits (for nectaring). | Larval host plants. |
| Gray Hairstreak (0.85–1.4″) Gray Hairstreak |
Common: L-Apr to E-Oct | Open fields & roadsides | White clover, trefoils | Tick trefoil, vetch, clovers | |
May 14, 2018
Woodbine
Linda Hunt
May 19, 2012
Font Hill Park
Annette Allor
October 9, 2011
Centennial Park
Annette Allor
Female
June 25, 2012
Ellicott City
Kathy Litzinger
Caterpillar
October 4, 2023
Franciscan Friars
Annette Allor
The phenograms show the maximum number of individual butterflies of this species seen in the first eight years of the Howard County Butterfly Survey. From these graphs, one can see the number of broods of each species, when they are active, and the relative abundance of the species in each brood. The observed early and late dates are shown below The graphs can be used to anticipate the first sighting of a given species in the year and can help with identification.
Early: 4/11/2017 Late: 11/11/2021