Open AccessMorphology of immature stages of Paraegidium costalimai (Coleoptera: Scarabaeidae: Orphninae) and remarks on egg-busters in Scarabaeidae first‑instar larvae
Author(s) -
Rafael Sousa,
Juares Fuhrmann
Publication year - 2020
Publication title -
papéis avulsos de zoologia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.358
H-Index - 26
eISSN - 1807-0205
pISSN - 0031-1049
DOI - 10.11606/1807-0205/2020.60.special-issue.13
Subject(s) - scarabaeidae , instar , biology , larva , chaetotaxy , zoology , key (lock) , subfamily , botany , genus , ecology , seta , biochemistry , gene
Studies about the immature stages of Orphninae (Coleoptera: Scarabaeidae) species are scarce. The subfamily includes 214 species, but only 5 have the immature stages described: Chaetonyx robustus liguricus Mariani, 1946, Hybalus benoiti Tournier, 1864, H. rotroui Petrovitz, 1964 and Triodontus nitidulus (Guérin, 1844) from Old World; and Aegidium cribratum Bates, 1887 from the New World. The Neotropical genus Paraegidium Vulcano, Pereira & Martinez, 1966 encompass five species, mainly recorded from Brazil. Herein, the immature stages of P. costalimai Vulcano, Pereira & Martinez, 1966 are described and illustrated, along with remarks on the presence of egg-buster in Scarabaeidae first-instar larvae. A key to the third-instar larvae of known Orphninae and a comparative study of chaetotaxy are also provided.