larwy i odchody Barciaka
#48
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The greater wax moth, Galleria mellonella (L.), was reared on old honeycomb. Lipid extracts of the comb and the moth excreta were analyzed by silicic acid and gas chromatography. The wax contained 31 fatty acids consisting of carbon numbers 12 to 22 in the saturated series, and 4 unidentified series. The excrement contained the same saturated series, plus members of the normal unsaturated series. The unsaponifiable fractions contained alcohols tentatively identified as the 21 to 28 straight-chain members, as well as paraffin hydrocarbons. Comparative ester analysis of silicic acid column effluents showed that the insects had utilized some of the esters originally present in the honeycomb.

Digestion of Wax by the Greater Wax Moth, Galleria mellonella. Available from: https://www.researchgate.net/publication/273347747_Digestion_of_Wax_by_the_Greater_Wax_Moth_Galleria_mellonella [accessed Dec 14 2017].


Larvae of Galleria mellonella grow as well on a semi-synthetic diet if sugar or carbohydrate, optimally present to the extent of 30 to 40 per cent of the diet as originally developed, is replaced entirely or in part by white beeswax. Myricin, a refined product of beeswax consisting largely of long-chain esters of palmitic acid and myricyl alcohol, was utilized as well as beeswax, but none of several simple fatty acids and alcohols, ranging in chain length from C14 to C30, nor four esters of palmitic acid, were effective substitutes for beeswax.
http://www.sciencedirect.com/science/article/pii/0022191066900382?via%3Dihub
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