LepTree.net is an international, community collaboration dedicated to advancing progress toward a phylogenetic tree for all Lepidoptera. Our interactive web tools allow all lepidopterists to exchange information and coordinate their research efforts with each other. Three specific projects are designed to increase knowledge of lepidopteran phylogeny.

LepTree is based in North America and supported by the U.S. National Science Foundation’s Assembling the Tree of Life program (read/download the full proposal). LepTree is closely coordinated with the related LepSys initiative, and the Systematics of Ditrysian Lepidoptera project (see Project Directory entry by L. Kaila), both based in Europe.

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Figure 1 from Bucheli, 2009. A, Male genitalia of Depressaria constancei showing position of the intravalvalis muscle (m7); B, Male genitalia of Depressaria absynthiella showing: v. valves entire, j. juxta, g. gnathos, s. socius, t. transtilla; C, Male genitalia of Blastobasis gladulella showing: v. split valves, j. juxta, g. gnathos as fused, spined know, u. uncus; D, Male genitalia of Scythris n. sp. showing: g. gnathos, u. uncus, s. socius, ph. ankyloisis of phallus to v. valvae and vinculum; E, Antero-abdominal segments of A. Blastobasis gladulella showing mesal patch of tergal spiniform setae, and a. venulae (on sternum A2); and F, Coleophora trifolii showing patches of spiniform setae.