Popillia japonica (Japanese beetle)

Abstract

This datasheet on Popillia japonica covers Identity, Overview, Distribution, Dispersal, Hosts/Species Affected, Diagnosis, Biology & Ecology, Natural Enemies, Impacts, Prevention/Control, Further Information.

The direction, timing and demography of Popillia japonica (Coleoptera) invasion reconstructed using complete mitochondrial genomes

“…The split corresponds to the geographic division between the island of Kyushu in South Japan and the larger islands of Honshu and Hokkaido in North-Central Japan, with the two areas being separated by the Seto inland sea. The observation 5 , 6 that the species is present but not frequent in the Southern islands, while abundant in Honshu and Hokkaido, coupled with the larger diversity observed in Honshu and Hokkaido, may suggest the Central-Northern islands as the location where the species originated, with Kyushu as a possible relict population that persisted in geographic isolation. Noticeably, the islands of Kyushu and Honshu were connected in a single non glaciated landmass during the last glaciation (~ 20,000 ybp; Fig.…”

“…In summary, and acknowledging the limited sampling in Honshu (9 individuals from two sites) that may have led to an incomplete description of the mitogenomic variability in the island, while an origin in Central Honshu 23 cannot be excluded given the limited geographic structure within Japan, an origin from Hokkaido appears to be more coherent with our analyses. Noteworthy, Hokkaido currently hosts the pest at high density 5 , 6 and, if current density estimates can be extrapolated to ~ 1910, this makes it a plausible origin for the USA outbreak, although it is characterized by lower human population density and arguably a lower rate movement of people and goods towards the USA. Considering other islands as possible sources, our American samples have no direct relationship with Southern Japan (with the one exception of sample DMR120j), and therefore the island of Kyushu can be excluded as a source.…”

“…The species P. japonica originated in Japan, where it is nevertheless regarded as a pest of minor importance 5 . It was reported as common but not abundant in the islands of Kyushu, Shikoku and southern Honshu, and abundant in northern Honshu and Hokkaido 5 , 6 where it finds a suitable habitat, although with low population densities compared to the invasive populations in the USA 5 . It is listed as present in all four major islands of Japan 7 .…”

Private management costs of Popillia japonica: a study of viticulture in Italy

“…For Italy, it has been estimated that a full Japanese beetle infestation could lead to annual damage costs of around €68 million with grapes accounting for 74% of the damage (14). Grapevine is one of the pests preferred host crops (15,16) and large numbers of the adult beetle can be found between June and July in infested viticulture areas in Italy (7). Bosio et al (17) report that vineyards in Piedmont frequently deal with infestations of 200-300 adult Japanese beetles per vine, with peaks of over 1,000 adults.…”

SYBR Green‐based real‐time PCR test for the identification of adults and larvae of the Japanese beetle Popillia japonica Newman (Coleoptera Scarabaeidae)

“…It is currently present in Northern China, in some states of the USA and provinces of Canada, in India, and in some European Union (EU) countries. In these EU countries (i.e., Italy and Portugal including the Azores), where it is present in relatively low numbers (Klein, 2018; EFSA et al, 2019; EPPO, 2020). It was first detected in the USA in New Jersey in 1916 (Frank, 2016), though its introduction as larvae on iris bulbs dates back to some years before (Potter & Held, 2002).…”