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Male (Orange spots don't reach leading edge of forewing).
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Female (Probably. Orange spots reach leading edge of forewing (just)).
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Brown Argus underside.
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Female Common Blue underside. Note the extra forewing spot close to the body and also the smooth "C-for Common"-shaped line of black spots on the hindwing which has an ugly break in it in the Brown Argus.
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An extremely dark individual to add to the confusion, but the spots underneath confirmed it as a Brown Argus.
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Occasionally there may be white spots on the forewings
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The egg is a textured disc with a central depression.
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Information
| UK BAP status: | Not listed |
| Local status: | Locally common. Colonies exist all over the county. |
| Size: | Small. |
| Larval foodplant: | Common Rock-rose and various Crane's-bills |
| No. of broods: | Two |
| Flight time(s): | Early May to Mid June. Mid July to early September. |
| Winter: | Fully-grown larva hibernates then pupates in the spring. |
| Habits: | Sometimes roost communally on grasses. The feeding larvae are attended by ants. |
| Habitats: | Brown-field sites, downland, unimproved grassland, heathland, road verges, track edges, woodland rides. |
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Distribution
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No. of Adults
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No. of 1km Squares
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No. of Records
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No. of Adults per record
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No. of adults per 10,000 records
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Percentage of all records
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