birch leaf miner birch-leaf mahogany • birch-leaf skeletonizer · · · Info · Definitions · Synonyms · Characters · · birch leaf miner · · Text Common · · Latin · · Scripts 16 · · Length 4 · · Syllables Definitions · · · (noun) small black sawfly native to Europe but established in eastern United States; larvae mine the leaves of birches causing serious defoliation. Synonyms: birch leaf miner, Fenusa pusilla. · · Noun Definition 1 Synonyms · · · fenusa pusilla · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072