Anisandrus dispar
Common, old European import. A row of several serrations on the frontal edge of pronotum. Distribution and references.

Anisandrus maiche
Recent introduction, thus not yet common. Rows of pointed tubercles on declivital intrestraie; striae on declivity impressed. Distribution and references.

Anisandrus obesus
The largest Anisandrus in the US. Distinct sharp denticles on the edge of declivity. Native. Distribution and references.

Anisandrus sayi
The most common Anisandrus in the Eastern US. Native. No structures on declivity, only distinctly elevated costa. Distribution and references.

Cnestus mutilatus
Recently introduced species but rapidly spreading in the South East. Unmistakable; extremely stout, elytra truncated and shorter than pronotum. Distribution and references.

Coptoborus pseudotenuis
Elytral declivity long, tapering. Antennal club pubescent with first segment small. Common in S America, either introduced or naturally spread to Florida. Distribution and references.

Cyclorhipidion bodoanum
One of the smallest commonly encountered xyleborines in the US. Light-colored, reddish to light brown. Introduced from Eurasia. Distribution and references.

Cyclorhipidion fukiense
Similar to C. bodoanum and C. pelliculosum, except for body length, with an intermediate size. Introduced from Eurasia. Distribution and references.

Cyclorhipidion pelliculosum
The larger of the two Cyclorhipidion in the US. Similar to C. bodoanum, but much larger. Similar to Xyleborus spp., but with continuous cover of dense fine pubescence, and fine confused punctures, and with oblique (not costate) elytral end. Introduced from Eurasia. Distribution and references.

Dryocoetoides reticulatus
Angulate (obliquely pointed) elytral declivity with intense shagreen. Antennal club similar to Theoborus: both second and third segment prominent on both sides. Only one specimen ever collected (in Florida), the holotype. Distribution and references.

Dryoxylon onoharaensum
Unusually elongated, excavated and densely pubescent elytral declivity. Introduced, increasingly common in the Eastern US. Distribution and references.

Euwallacea perbrevis
Previously known as the Tea Shot Hole Borer (TSHB) in the E. fornicatus species complex. Specimens within this clade have elytral length of 1.45–1.57 mm and a pronotum length of 1.05–1.11 mm, with 7 to 10 socketed denticles on the edge of protibia. Distribution: Asia, Australia, and introduced in United States (Florida and Hawaii). Distribution and references.

Euwallacea interjectus
Similar to E. validus but with elytra shorter and more rounded, granules on declivital interstriae sparser, declivital costa smooth. Introduced, rare but probably widespread (Rabaglia, in prep.). Distribution and references.

Euwallacea kuroshio
Previously known as the Kuroshio Shot Hole Borer (KSHB) in the E. fornicatus species complex. Specimens within this clade have an elytra length of 1.57–1.79 mm and a pronotum length of 1.09–1.15 mm, with 8 to 11 socketed denticles in the protibiae. Distribution: Asia (Indonesia, Japan, and Taiwan) and introduced in Mexico and United States (California). Distribution and references.

Euwallacea similis
The skinniest of our Euwallacea, light brown color. Commonly used names include Xyleborus similis, or Wallacellus similis, or Euwallacea denticulus; however, E. similis is the correct name. Similar to Xyleborus, but pronotum subquadrate from above, striae on declivity distinctly divergent, and with a large pair of tubercles in striae 1. Non-native. Distribution and references.

Euwallacea validus
Similar to E. interjectus, but longer, with more prominent granules on declivity, declivital costa slightly serrated and with granules. Introduced, now common throughout the Eastern US. Distribution and references.

Euwallacea fornicatus
Previously known as the Polyphagous Shot Hole Borer (PSHB) in the E. fornicatus species complex. Elytra length of 1.55–1.67 mm and a pronotum length of 1.08–1.14 mm, with 8 or 9 socketed denticles on the margin of protibia. Distribution: Asia and introduced in United States (California), Israel, and Africa (South Africa). Distribution and references.

Heteroborips seriatus
Dark, rugged appearance. Elytra with a pair of pit mycangia parallel to sides of scutellum. Pronotum narrowed anteriorly, appearing conical in dorsal view. Recent introduction to north-eastern North America. Distribution and references.

Theoborus ricini
Antennal club pubescent, all segments equally prominent. Similar to Dryocoetoides, but declivity smooth and pubescent, not intensely shagreened. Reported only from Florida; unclear whether introduced from S America or native. Distribution and references.

Xyleborinus andrewesi
Elytra narrower than pronotum, and conspicuously tapering. Recently introduced. Distribution and references.

Xyleborinus artestriatus
Similar to X. saxesenii. Only recently intorduced to North America(Cognato, Rabaglia, Vandenberg, in prep.); tubercles on declivity conical, robust, and absent in interstriae 1 and 2. Distribution and references.

Xyleborinus attenuatus
Very similar to X. saxesenii; slightly larger, tubercles on declivity more prominent, pointed, and curved to hooked. Less common, formerly known as X. alni. Introduced. Distribution and references.

Xyleborinus gracilis
Characteristic pair of blunt tubercles on declivity. Interstriae 1 devoid of granules. Native. Distribution and references.

Xyleborinus octiesdentatus
Similar to Xyleborus spinulosus, but more slender, and with a knob-like scutellum characteristic for Xyleborinus. Introduced, rarely reported. Distribution and references.

Xyleborinus saxesenii
One of the most common xyleborines throughout the continent. Probably an old import from Eurasia. Granules on interstriae 1 and 2 minute and conical, can be pointed on other interstriae. Distribution and references.

Xyleborus affinis
Distinctly shagreened declivity when dry. Native, common throughout Eastern N America. Breeds in very moist wood. Distribution and references.

Xyleborus bispinatus
Differs from X. ferrugineus by the regularly spaced discal interstrial setae and the larger size. Taxonomic status is unclear. Distribution and references.

Xyleborus celsus
Large Xyleborus. Declivity obliquely truncated, with large tubercles on the widely expanded interstriae 1. Native to Eastern US. Distribution and references.

Xyleborus ferrugineus
A pair of prominent tubercles in interstriae 3, other tubercles small, interstriae 1 and 2 mostly bare. Similar to X. impressus, but more robust overall, and with a pair of small tubercles on interstriae 1 on the summit of elytral declivity. Native to Eastern US, relatively common. Distribution and references.

Xyleborus glabratus
Shining, dark colored, with distinctly angulate and pointed apex of declivity. Striae 1 on declivity diverging from suture. Smaller than most Xyleborus. Recently introduced to the SE USA, spreading laurel wilt, a disease lethal to Lauraceae. Distribution and references.

Xyleborus horridus
Bulky, densely pubescent ("hairy"), declivity surrounded by conspicuously elevated costa. Native to southern Texas. Distribution and references.

Xyleborus impressus
A pair of prominent tubercles in interstriae 3, other tubercles small, interstriae 1 and 2 mostly bare. Similar to X. ferrugineus, but less robust overall, interstriae 1 devoid of tubercles. Native. Distribution and references.

Xyleborus intrusus
Differs from most other Xyleborus by the much smaller granules on declivity; the declivity is also more round rather than flat. Very similar to X. pubescens, but punctures on elytra more prominent, declivity more rounded, and interstriae 1 on declivity mostly diverging from suture. Probably restricted to conifers. Native, also native to the West. Distribution and references.

Xyleborus pfeilii
Similar to X. volvulus, but larger (>3 mm) and darker than most Xyleborus. Tubercles on declivity uniform in size and large, apex of declivity angulate rather than rounded. Introduced recently, rarely reported. Distribution and references.

Xyleborus planicollis
Pronotum conspicuously flattened. Similar to X. viduus, but surface of declivity shagreened, and devoid of tubercles. Native. Distribution and references.

Xyleborus pubescens
Differs from most other Xyleborus by the absence of tubercles on declivity; only minute granules present. Very similar to X. intrusus, but intrestrial punctures almost absent, and striae more than 2x wider than strial punctures. Native to the Eastern North America, common in dead pines. Distribution and references.

Xyleborus spinulosus
The most spiny Xyleborus. Declivity similar to Xyleborinus octiesdentatus, but more slender, and scutellum flush with elytra. Introduced to Hawaii, recently also reported from Texas, where it may be have spread from its native Central America. Distribution and references.

Xyleborus viduus
Pronotum conspicuously flattened. Similar to X. planicollis, but surface of declivity shining, impressed and with tubercles. Native. Distribution and references.

Xyleborus volvulus
Similar to X. intrusus and X. pubescens, but tubercles on declivity prominent and of variable size. US records restricted to Florida so far. X. volvulus and its sister species (or possibly a synonym) X. perforans are the most common Xyleborus species in tropical and subtropical regions of the world. American specimens are traditionally identified as X. volvulus. Similar to X. affinis, but elytral declivity shining, not shagreened, and color yellow to light brown without a red tinge. Distribution and references.

Xyleborus xylographus
Only minute granules on declivity. Similar to X. intrusus and X. pubescens, but granules are present on all declivital interstriae. Native to both Eastern and Western US. Distribution and references.

Xylosandrus amputatus
Conspicuously truncated declivity. Probably established in Florida and Georgia. Distribution and references.

Xylosandrus compactus
Minute, similar to X. curtulus but elytra more elongated, declivity shining. A twig specialist, including twigs of live trees. Common in Southern US, probably introduced. Distribution and references.

Xylosandrus crassiusculus
Intorduced, currently one of the most common xyleborine in the SE USA, and spreading. Characteristic reddish color and heavily shagreened declivity. Distribution and references.

Xylosandrus curtulus
The smallest Xylosandrus, declivity hairy and shagreened. Native to S America. Distribution and references.

Xylosandrus germanus
Entirely black, elytral apex appears angulate when viewed from above. Superficially similar to Anisandrus spp., but smaller, and procoxae widely separated. Introduced, currently very common in the NE USA. Distribution and references.