Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract

Annotated list of the bark and ambrosia beetles (Coleoptera: Scolytidae) of Delaware, with new distributional records.

Abstract

A total of 64 species of Scolytidae are reported from Delaware, USA. Fifty-one species are reported for the first time: Hylastes porculus, Hylastes salebrosus, Hylastes tenuis, Hylurgops rugipennis pinifex, Hylesinus aculeatus, Dendroctonus frontalis, Dendroctonus valens, Cnesinus strigicollis, Phloeotribus liminaris, Phloeosinus dentatus, Carphoborus bifurcus, Hylocurus rudis, Hylocurus flaglerensis, Micracisella opaciicollis, Thysanoes fimbricornis, Ips grandicollis, Ips pini, Orthotomicus caelatus, Pityogenes hopkinsi, Dryoeocetes autographus, Dryoeocetes granicollis, Lymantor decipiens, Xyloterinus politus, Ambrosiodmus obliquus, Ambrosiodmus rubricollis, Ambrosiodmus tachygraphus, Euwallacea validus, Xyleborus atratus, Xyleborus celsus, Xyleborus ferrugineus, Xyleborus pelliculosus, Xyleborus pubescens, Xyleborus sayi, Xylosandrus crassiusculus, Xylosandrus germanus, Hypothenemus crudiae, Hypothenemus dissimilis, Hypothenemus eruditus, Conophthorus coniperda, Corthylus columbianus, Gnathotrichus materiarius, Monarthrum fasciatum, Monarthrum mali, Pityophthorus cariniceps, Pityophthorus confusus, Pityophthorus liquidambarus, Pityophthorus opaculus, Pityophthorus puberulus, Pityophthorus scriptor, Pseudopityophthorus minutissimus, and Pseudopityophthorus pubescens. Fourteen of the species are not native to North America.