Gracillariidae is an important family of insects in the order Lepidoptera and the principal family of leaf miners that includes several economic, horticultural or recently invasive pest species such as the horse-chestnut leaf miner, Cameraria ohridella. ==Taxonomy and systematics== There are 98 described genera of Gracillariidae (see below). A com... Found on http://en.wikipedia.org/wiki/Gracillariidae
(from the article `lepidopteran`) ...GracillarioideaApproximately 2,300 species worldwide; small moths; larvae are mainly leaf miners or stem borersFamilies Gracillariidae and ... Found on http://www.britannica.com/eb/a-z/g/55