Morphology of the egg-case and larva of Paracymus aeneus (Germar) (Coleoptera: Hydrophilidae)

The generic and species identity of previously described larva of Paracymus aeneus (Germar, 1824), the type species of the genus Paracymus Thomson, 1867, has been a subject of controversy owing to their morphological similarity to the genus Anacaena Thomson, 1859. In this study, we describe morpholo...

Full description

Saved in:
Bibliographic Details
Published inZootaxa Vol. 5541; no. 2; p. 200
Main Authors Minoshima, Yûsuke N, Watanabe, Kohei
Format Journal Article
LanguageEnglish
Published New Zealand 26.11.2024
Subjects
Animal Distribution
Animal Structures - anatomy & histology
Animal Structures - growth & development
Animals
Body Size
Coleoptera - anatomy & histology
Coleoptera - classification
Coleoptera - growth & development
Female
Larva - anatomy & histology
Larva - classification
Larva - growth & development
Male
Organ Size
Ovum
Online AccessGet more information

Cover

More Information
Summary:The generic and species identity of previously described larva of Paracymus aeneus (Germar, 1824), the type species of the genus Paracymus Thomson, 1867, has been a subject of controversy owing to their morphological similarity to the genus Anacaena Thomson, 1859. In this study, we describe morphology of the egg-case and all three instar larvae of P. aeneus based on Japanese specimens obtained through rearing and provide the biological information on the species under rearing conditions. The morphology of the larvae corresponds with that of known Paracymus larvae rather than Anacaena. Consequently, larvae previously described as P. aeneus do not belong this species. Therefore, this is the first description of the immature stages of P. aeneus.
ISSN:1175-5334
DOI:10.11646/zootaxa.5541.2.5