Green Hairstreak (Callophrys rubi)

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2011 photos highlighted in green. Click on any photo to go to an enlarged picture, or simply scroll down the page.

9718_sex?_Var_12Apr08 9902_sex?_Var_21Apr08 15187_sex?_Var_11May09
 
19610_sex?_Var_15Apr10 20053_sex?_Var_10May10  

Rubi is a common early season butterfly, smaller than most hairstreaks. It tends to vary quite a lot in terms of the green colouration, from bluish to strongly yellowish (maybe partly due to ageing) and the white dots/lines (or lack of them). There seems to be virtually no visible difference between the sexes.

The only species rubi could be confused with is Chapman's Green Hairstreak (Callophrys avis), a quite scarce and highly localised butterfly of the Mediterranean regions of France and Iberia. The principal differences between rubi and avis are described on the avis page.
ref sex

observations

alt. m
9718 ?

a strong basal blue flush and strong discal line on both wings. This is supposedly an indictor for avis, but my feeling, based on limited experience, is that the avis line is usually continuous.

140
9902 ?

by contrast, a rather golden underside.

220
15187 ?

possibly a male, based on hindwing shape.

185
19610 ?

quite dark and virtually unmarked.

160
20053 ?

by contrast, a very light bright green colour, also virtually unmarked. Probably a female based on the visible body shape.

140

 

9718_sex?_Var_12Apr08

 

9902_sex?_Var_21Apr08

 

15187_sex?_Var_11May09

 

19610_sex?_Var_15Apr10

 

20053_sex?_Var_10May10