54.005 Zygaena loti (Slender Scotch Burnet)
Zygaena loti (Slender Scotch Burnet) §1
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ws: 25-30mm; fw: 14-16mm; June to early July; common bird's-foot trefoil (Lotus corniculatus); RDB - Mull, Ulva ID: Spots 5+6 merged, forewing thinly scaled, legs partly yellow. Note - spot 3 may be divided by vein along costal border of discal cell. Specimen §2 has confluent spots 2+4 Z.exulans (Scotch Burnet) is 5-spotted due to the absence of spot 6 - so that the spot nearest the termen is much smaller than in Z.loti. Spot 1 is much longer than spot 2. And it is restricted to mountains around Braemar. Z.viciae (New Forest Burnet) is also 5-spotted due to absence of spot 6 - so that the spot nearest the termen is small; its hindwing has a relatively broad black border Z.filipendulae (Six-spot Burnet) usually has distinct spots 5 & 6, but they may be merged, in which case it can be distinguished by the more thickly scaled forewing and all-dark legs. Z.trifolii/lonicerae (Five-spot/Narrow-bordered Five-spot Burnet) are 5-spotted due to absence of spot 6 and the spot nearest the termen is small. In Z.trifolii spots 3+4 are often confluent. Both species have all-dark legs and are more thickly scaled than Z.loti Z.purpuralis (Transparent Burnet) has 3 longitudinal streaks formed from spot 1, 2+4, 3+5+6. 
Zygaena loti (Slender Scotch Burnet) §1
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§1 Mull; 27/06/2011
§2 Mull; 27/06/2011
§3 Mull; 27/06/2011
§4 Mull; 27/06/2011
All images © Chris Lewis
§2 Mull; 27/06/2011
§3 Mull; 27/06/2011
§4 Mull; 27/06/2011
All images © Chris Lewis
Page published 16/04/2012 (§1-4)
