A review of Larval Encaustini (Coleoptera: Erotylidae) from Russia

The life history of Erotylina jaspidea (Erichson, 1847) (Coleoptera, Erotyloidea, Erotylidae, Erotylini) is described. A female specimen was found in an Atlantic Forest remnant in Northeast Brazil. After oviposition, individuals were reared in Petri dish and terrarium, feeding on basidiomes of Lentinus substrictus (Bolton) Zmitr. & Kovalenko, Favolus tenuiculus P. Beauv (Polyporaceae) and an unidentified resupinate fungus. Growth and feeding behaviors were regularly observed. We provide information on the observed life history stages, together with morphological descriptions, and photographs of eggs, larvae, pupae and adults. We compared our description of the teneral E. jaspidea to species of similar color pattern. Furthermore, we discuss hypotheses about larval defensive behavior and total instar durations in E. jaspidea and other Erotylinae representatives. The present work is the first to provide a description for the life history of a species of the genus Erotylina.

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Life History of Erotylina jaspidea (Erichson, 1847) (Coleoptera, Erotyloidea, Erotylidae, Erotylini)

Dorcino

Pecci-Maddalena

Lopes‐Andrade

et al. 2022

Zootaxa

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Possible fungus-eating cucujiformian beetle larvae with setiferous processes from Cretaceous and Miocene ambers

Zippel,

Haug,

Elverdi

et al. 2023

foss-rec

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Beetle larvae represent important components of the modern-day fauna. This should have been the case in the past as well. Yet, fossil beetle larvae are rare, or at least are rare in the literature, as identifying a beetle larva to a narrower taxonomic group is very challenging. This is even more complicated if prominent features have evolved convergently in several lineages. Yet, even in such cases, an ecological interpretation of the fossils is possible if the convergent character is coupled to a specific life habit. For example, different, not closely related, beetle larvae that possess setiferous processes. We here report on three beetle larvae, one from Miocene Mexican and two from Cretaceous Kachin amber, Myanmar. These larvae possess setiferous processes, most similar to the processes of modern representatives of Cucujiformia, especially of the groups Endomychidae, Erotylidae, Cerylonidae and Coccinellidae. Considering the shape of the entire habitus, we see the most similarities between the new larvae and the modern larvae of Endomychidae. However, the new larvae and the larvae of modern representatives differ in certain aspects, most prominently in the body size. The fossils are smaller than their extant counterparts with setiferous processes. Hence the fossils could represent larvae of Endomychidae, but the case remains unclear. Despite this uncertainty, we suggest a lifestyle of the fossil larvae as fungus-eaters on rotting wood. This lifestyle is not only known from extant larvae of Endomychidae, but also from other larvae with similar processes.

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A review of Larval Encaustini (Coleoptera: Erotylidae) from Russia

Abstract: 2 Институт проблем экологии и эволюции им. А.Н. Северцова, Лаборатория почвенной зоологии и общей энтомологии, Ленинский просп.,

Cited by 2 publications

References 3 publications

Life History of Erotylina jaspidea (Erichson, 1847) (Coleoptera, Erotyloidea, Erotylidae, Erotylini)

Life History of Erotylina jaspidea (Erichson, 1847) (Coleoptera, Erotyloidea, Erotylidae, Erotylini)

Possible fungus-eating cucujiformian beetle larvae with setiferous processes from Cretaceous and Miocene ambers

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A review of Larval Encaustini (Coleoptera: Erotylidae) from Russia

Abstract: 2 Институт проблем экологии и эволюции им. А.Н. Северцова, Лаборатория почвенной зоологии и общей энтомологии, Ленинский просп.,

Cited by 2 publications

References 3 publications

Life History of Erotylina jaspidea (Erichson, 1847) (Coleoptera, Erotyloidea, Erotylidae, Erotylini)

Life History of Erotylina jaspidea (Erichson, 1847) (Coleoptera, Erotyloidea, Erotylidae, Erotylini)

﻿Possible fungus-eating cucujiformian beetle larvae with setiferous processes from Cretaceous and Miocene ambers

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Possible fungus-eating cucujiformian beetle larvae with setiferous processes from Cretaceous and Miocene ambers