A peculiar new species of gall-inducing, clearwing moth (Lepidoptera, Sesiidae) associated with Cayaponia in the Atlantic Forest

ZooKeys
Gilson R P MoreiraGislene L Gonçalves

Abstract

Larvae of most clearwing moths (Lepidoptera, Sesiidae) are endophagous borers of many angiosperms, including their fruits, stems, and roots. Their localized feeding may lead to swellings on those plant parts, but whether the structures produced should be considered true galls is still controversial. In this study we describe a peculiar sesiid moth, Neospheciacecidogenasp. nov. whose larvae induce unusual, external galls on Cayponiapilosa (Vell.) Cogn. (Cucurbitaceae) in the Atlantic Forest of southernmost Brazil. The adults, egg, larva, pupa and the gall are described and illustrated based on light and scanning electron microscopy. Galls are cylindrical and unilocular; they are induced individually on axillary buds of the C.pilosa stem. Unlike larvae of other sesiids, those of N.cecidogenasp. nov. lack abdominal pseudopodia, and show reduced stemata and chaetotaxy. Pupation occurs inside the gall, after having overwintered in the last larval instar. A maximum likelihood tree constructed based on mitochondrial DNA (COI) sequences showed that N.cecidogenasp. nov. is monophyletic and has an average distance of 13% to species of Melittia. The genera Neosphecia Le Cerf, 1916 stat. rev., Premelittia Le Cerf, 1916 stat rev., and Melit...Continue Reading

References

Mar 24, 2016·Molecular Biology and Evolution·Sudhir KumarKoichiro Tamura
Jun 1, 2017·Anais Da Academia Brasileira De Ciências·Valéria C Maia, Bernardo Mascarenhas

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Datasets Mentioned

BETA
MH592773
GU685631

Methods Mentioned

BETA
dissection
PCR
light microscopy

Software Mentioned

MEGA
Corel Photo - Paint X7
MISA
Genbank
BOLD
PHYML
Clustal W

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