Satyrium acaciae

Sloe Hairstreak


by Matt Rowlings

copyright © 2003-2024

Show butterflies of: EU US
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Vaud, Switzerland, June 2020

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Transylvania, Romania, May 2009

Field notes and information

Typically found in hot dry bushy habitats where it can be common. Often seen nectaring on flowers.

Identification & Similar species: Similar to, and despite appearences in the books, fairly easy to separate from the ilex and false ilex hairstreaks, S. ilicis, S. esculi. It has a lighter underside ground colour and underside hindwing orange markings are limited to the areas around the tail. It has a small blue spot, which touches an orange patch. This compares to the fairly similar blue spot hairstreak, S. spini, which has a large blue spot that does not touch any orange.

Distribution & Flight: Most of southern and central Europe. Absent from the UK, Scandinavia and north Africa. Flies in June and July.

Habitat & Behaviour: Flies around bushes and shrubs with blackthorn, P. spinosa, present. Often nectars on flowers sometimes in some numbers.

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SW Serbia, June 2012

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Vaud, Switzerland, June 2020

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S Greece, July 2018

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Vaud, Switzerland, June 2017

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Peloppensos, Greece, July 2018

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SE Serbia, June 2012

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Samos, Greece, June 2018

With the larger ilex hairstreak S. ilicis behind.

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Transylvania, Romania, May 2009

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Geneva, Switzerland, mid June 2007

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SE Czech Republic, June 2001

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Slovakia, June 2001

The female is on the right - the orange marks on the underside hindwing extend further forward than in the male

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Macedonia, Greece, July 2000 (m)