Two new species of Xenolepis Diakonoff from Papua New Guinea, with the first reported larval host plants (Lepidoptera: Tortricidae: Olethreutinae)

Abstract

Two new species of Xenolepis are described and illustrated from Papua New Guinea: X. neoguineana Brown & Miller, n. sp., and X. slipihalo Brown & Miller, n. sp. All specimens examined were collected as larvae, most from Syzygium spp. (Myrtaceae), but a few from Garcinia (Clusiaceae), Ziziphus (Rhamnaceae), Amyema (Loranthaceae), and Gomphandra (Stemonuraceae), which represent the first reported food plants for Xenolepis. The new species bring to seven the number of described species in the genus. We also present DNA barcodes, host plants, and an illustration of the male genitalia of an undescribed species from New Guinea, but refrain from naming it owing to the paucity and poor quality of the specimens. Available descriptions and illustrations indicate that Xenolepis, as presently defined, comprises two distinct species groups that are superficially disparate but possess very similar male genitalia.

Keywords

• DNA barcode
• Malesia
• Myrtaceae
• pupa
• Southeast Asia