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- Title
First report of Diomus guilavoguii Duverger, 1994 (Coleoptera, Coccinellidae, Diomini) predating on papaya mealybug Paracoccus marginatus from China.
- Authors
Jiamin Zhuang; Lizhi Huo; Mingjie Tang; Xiufeng Xie; Xiaosheng Chen
- Abstract
Background: Diomus guilavoguii Duverger, 1994, an adventive species, is recorded from Guangzhou (Guangdong Province), China for the first time. Larvae of D. guilavoguii were collected in association with an invasive mealybug, Paracoccus marginatus Williams & Granara de Willink, 1992, infesting papayas, cassava and several ornamental plants. However, little has been known about the biology of D. guilavoguii, especially the morphology of their larvae since their original descriptions. New information: Diomus guilavoguii Duverger, 1994, native to Conakry, Guinea (Africa), is recorded as established in Guangdong Province for the first time. However, it is unclear when and how D. guilavoguii spread from Africa to Guangzhou, Guangdong Province. Both the adult and larva feed on the invasive mealybug Paracoccus marginatus Williams & Granara de Willink (Hemiptera, Pseudococcidae) that infests papaya and ornamental plants. In this paper, the external morphology and male genitalia of adults are re-described. The detailed descriptions of larva and pupa are also provided for the first time. The status of D. guilavoguii and D. hennessyi Fürsch, 1987 are discussed.
- Subjects
CHINA; BEETLES; MALE reproductive organs; INTRODUCED species; LADYBUGS; PARACOCCUS (Proteobacteria); MEALYBUGS; HEMIPTERA
- Publication
Biodiversity Data Journal, 2023, p1
- ISSN
1314-2836
- Publication type
Academic Journal
- DOI
10.3897/BDJ.11.e113291