SCIENTIFIC NAME: ARICIA AGESTIS
VERNACULAR NAME: BROWN ARGUS

Fig 1
ADULT

Wingspan - 25 - 31mm. A sweet member of the Blue family that, despite its mainly brown colouring is always a joy to see. Both sexes have brown upper surfaces to all wings with the females slightly darker. The edges of the wings have a series of orange lunules and the forewings have an obvious dark central dot on the upper surface. The undersides of the hindwings have a pair of black spots which form a figure of eight or colon.

CHRYSALIS Green and located on ground at base of foodplant.
LARVA Green with a buff edged white line running along each side. Slightly hairy and triangular in cross-section. Feeds on Common Rock Rose.
EGG A pale blue green disc found on underside of foodplant leaves.
BEHAVIOUR Another busy species that feeds and perches in open sunny areas. They communally bask in the morning and then spend the day feeding and in search of a mate.
HABITAT Chalky grasslands, south facing slopes and grassy dune systems.
FLIGHT PERIOD 2 broods. May to June and again July to early September.

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