Key to Elachistidae Group B - Forewing pale with darker markings |
External characters (based on key in MBGBI3) |
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Forewing without a ciliary line |
Head entirely white |
E.cahorsensis |
Part of frons & vertex grey / brown |
E.triseriatella |
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Dark spot on fold at ½ - ¾ |
Cilia with grey tips |
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Cilia entirely white |
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No dark spot on fold |
Cilia with dark tips |
E.subocellea |
Cilia entirely white |
E.collitella |
Male genitalia* |
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Vinculum produced into a distinct process |
width across uncus lobes greater than width across tegumen just below uncus lobes |
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Vinculum tapered but without a distinct process |
aedeagus without cornuti |
Aedeagus as long as valva and >12x longer than broad |
E.cahorsensis |
Aedeagus 2/3 as long as valva and <10x longer than broad |
E.triseriatella |
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Aedeagus with a single cornutus |
Cornutus small-medium |
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Cornutus large claw-shaped |
E.collitella/subocellea |
* based on drawings in MBGBI3 and images available at Moth Dissection