Tuesday, 6 December 2022

Hibernating moths and rare insects November 2022

 On 30th November 2022 two friends and I visited several old German bunkers in Larvik municipality with the intention of registering how many moths were hibernating here this winter. We checked four of the most accessible ones and found a total of 60 Twenty-plume Moths (kaprifolfingermøll) Alucita hexadactyla, 3 Autumn Green Carpets (lys irrmåler) Chloroclysta miata, 7 Tissue Moths (kobbermåler) Triphosa dubitata, 2 Buttoned Snouts (humlenebbfly) Hypena rostralis and 4 Herald Moths (flikfly) Scoliopteryx libatrix in addition a Peacock butterfly (dagpåfugløye) Aglais io was also hibernating. The occupants of these bunkers also included many European Cave Spiders (kjelleredderkopp) Meta menardi that existed by catching various insects including Twenty-plume Moths and various species of woodlouse. However, for us the most exciting find was a rare diptera, Scoliocentra villosa and no less than 6 Diphyus quadripunctorius, a rare darwin wasp. Scoliocentra villosa has only been recorded twice earlier in Vestfold and is the 20th record for Norway. Diphyus quadripunctorius, has only been recorded seven times earlier in Vestfold and is the 61st record for Norway.   


Twenty-plume Moth (kaprifolfingermøll) Alucita hexadactyla

 
Autumn Green Carpet (lys irrmåler) Chloroclysta miata


Tissue Moth (kobbermåler) Triphosa dubitata


Tissue Moth (kobbermåler) Triphosa dubitata


Buttoned Snout (humlenebbfly) Hypena rostralis 


Buttoned Snout (humlenebbfly) Hypena rostralis 


Herald Moth (flikfly) Scoliopteryx libatrix


Herald Moth (flikfly) Scoliopteryx libatrix


Scoliocentra villosa


Scoliocentra villosa


Diphyus quadripunctorius


Diphyus quadripunctorius


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