The first full host plant dataset of Curculionidae Scolytinae of the world: tribe Xyleborini LeConte, 1876

Abstract

Xyleborini is the largest tribe of Scolytinae accounting for about 1300 species worldwide; all species are primarily xylomycetophagous, developing on symbiotic fungi farmed in plant woody tissues. Xyleborini wood-boring action, associated with the inoculum of symbiotic fungi, can lead, sometimes, to the emergence of host plant dieback, wood damage and death; for this reason, multiple Xyleborini are major pests on both cultivated, forest and ornamental trees. Many Xyleborini are invasive worldwide and great effort is expended to manage their biological invasions or prevent new arrivals. Imports of host plants often have a primary role as a pathway for introduction and are frequently responsible for the establishment of species in non-native environments. In this context, data availability on Xyleborini host plants is a major limiting factor in the development of effective detection and monitoring strategies as well as a fundamental variable to consider in risk assessment of plant pests and invasive species. This contribution provides updated host records and the hosts economic categorization for the 1293 Xyleborini known worldwide to date.

The first host plant dataset of Curculionidae Scolytinae of the world: miscellaneous Tribes

“…A specific definition of host plant was used in the compilation of this database, in accordance with Ruzzier et al . 19 . Only records of scolytine species observed boring inside any plant part or tissue (both at adult and larval stage) were accepted as a potential scolytine-plant association.…”

“…Economic use of plant species was organized in three categories: 1) Food and pharmaceutical (human and animal food, plants used in medicine - also folklore -, materials for food, chemical/pharmaceutical industry, etno-biological use, and bee plants); 2) Material (plants used as materials, furniture and fuel); 3) Environmental (plants of ornamental, shade and shelter, or domestic usage). The classification and names of economic uses were modified with respect to the one presented in the previous work on Xyleborini 19 , so any future updates will follow this new classification.…”

“…The aim of this contribution is to present the most updated information available in the literature about the host plants recorded for scolytines of selected tribes. After the first paper devoted to the host plants of tribe Xyleborini LeConte, 1876 19 , the aim of this new contribution is to summarize the host plant records for the tribes Coriacephilini Johnson, 2020, Corthylini LeConte, 1876, Cryphalini Lindemann, 1877, Ernoporini Nüsslin, 1911, Trypophloeini Nüsslin, 1911, Xyloctonini Eichhoff, 1878 and Xyloterini LeConte, 1876. These tribes are treated together according to their recent reclassification 20 – 22 and extensive systematic review 23 , which separated them from the former tribe Cryphalini ( sensu antiquo ) 24 .…”

New records of non-native Coleoptera in Italy

“…The data confirm that the species is widely distributed and relatively common in northern Italy, Lombardy in particular. Although Anisandrus maiche is a modestly polyphagous species on broadleaf trees ( Ruzzier et al 2023 ), no damage attributable to this species has been recorded so far.…”

“… Ambrosiophilus atratus is a highly polyphagous species, capable of developing in both hardwoods and conifers ( Ruzzier et al 2023 ). Recent observations, coupled with the lack of damage attributable to the species, however, seem to suggest that A.…”