Popillia

Dejean, 1821

Popillia is a of ( ) distributed across the Oriental, Palaearctic, and Afrotropical regions. The genus contains numerous , with (the ) being the most economically significant and widely known due to its status in North America and Europe. Several Popillia species are recognized as agricultural and horticultural pests, with feeding on foliage and () damaging root systems.

Popillia by (c) i_c_riddell, some rights reserved (CC BY), uploaded by i_c_riddell. Used under a CC-BY license.Popillia by (c) Robert Taylor, some rights reserved (CC BY), uploaded by Robert Taylor. Used under a CC-BY license.Popillia japonica by no rights reserved, uploaded by Stari Plativky. Used under a CC0 license.

Pronunciation

How to pronounce Popillia: /pɔˈpɪ.li.a/

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Distribution

distribution spans the Oriental, Palaearctic, and Afrotropical biogeographic regions. Individual have more restricted ranges; for example, is native to Japan and the Russian Far East, while Popillia quadriguttata occurs in eastern Asia from Vietnam northward through eastern China, Taiwan, South Korea, and into Far East Russia.

Human Relevance

The includes major agricultural pests, particularly , which causes substantial globally and ranks among the most significant pests annually. Popillia quadriguttata is a major pest of soybean in northern China and a serious pest of golf course turf in South Korea. Management costs for in the U.S. turf and ornamental industry alone are approximately $450 million annually.

More Details

Species diversity

The Popillia contains numerous described , with substantial taxonomic work conducted on Indo-Himalayan and Chinese species. taxonomic references include works by Lin (1980, 1987, 1988) on Chinese Popillia and Sabatinelli (1993) on Indo-Himalayan species with pronotal discs.

Biological control research

Multiple agents have been investigated for , including the Ovavesicula popilliae, nematodes (Steinernema and Heterorhabditis ), and bacterial such as popilliae () and strains. efforts in the USA (1920-1933) established including Tiphia vernalis and Istocheta aldrichi, though effectiveness has been limited by synchronization issues and regional climate factors.

Sources and further reading