25. 
26. 
Zk 
28. 
29. 
30. 
ol. 
Tingriedigpineuees fe css cok vee wl ett Myeloborus fivazi 
In White PING wireenes bose oly Myeloborus ramiperda 
In various eastern and southern pines 
Pityophthorus pulicarius 
Pinhole burrows in the wood or pith of dying or dead 
hardwoods, branching into several egg galleries in the 
sapwood or pith 
Micracis swainei 
In redbud and other hardwoods ............ Micracis suturalis 
In-willowsand-redbud 2... Micracis meridianus 
In pith of oaks, maple, etc. 
Micracisella opacicollis 
Ingpithokioaks ete: Soci oe! Micracisella nanula 
Small beetles with the first joint of antenna normal: 
In honeylocust, hackberry, and other hardwoods 
Hylocurus langstoni 
inevhickony. maple. etes..) << tees. Hylocurus rudis 
In hickory: 
New York to North Carolina ........ Hylocurus biorbis 
Mississippi ................ Hylocurus bicornus, H. harnedi 
Pennsylvania to North Carolina 
Hylocurus spadix 
Small, dull, yellowish-brown to black beetles; the basal 
joint of the antenna club-shaped with long hairs: 
Yellowish-brown; in oaks, hickory, and other hard- 
woods, from Pennsylvania to Florida and Texas 
Thysanoes fimbricornis 
Dark brown; in oaks and maples in Mississippi and 
Geontiawe nner Thysanoes lobdelli 
Dark brown; in elm and rattan vine from Virginia to 
AROK AS ee eee. a cea ee as Thysanoes berschemiae 
Small, shining, reddish-brown beetles; wing covers 
coarsely, irregularly punctured; in maple and hickory 
Lymantor decipiens 
In stained ambrosial burrows usually confined entirely to 
the sapwood; in both coniferous and broadleaved trees 
In stained ambrosial burrows, in both sapwood and 
heartwood; in both conifers and hardwoods .. 
In hardwoods; burrows of various types 0000. 
In decadent or felled conifers; burrows compound .. 
In living hardwoods; compound burrows in yellow- 
poplat, Maple, oak, etc..2-......2 Corthylus columbianus 
In dying or dead hardwoods, especially in recently cut 
EDINTING Veer te cn lee a ah Pal heme ese wee eer 
Constructing simple, unbranched, burrows in sapwood 
of various hardwoods: 
Beetles 2 mm. or less in length; eastern part of the 
Wimiteds StateStes meme oe! e Xyleborus saxesent 
Constructing branched burrows in various hardwoods 
25 
27 
29 
36 
30 
35 
ol 
32 
233 
