Explanation of Names
Author of genus is
Laporte 1840. Apparently from combining form
ul- scar, scarring, plus
-oma, lump, tumor (medical dictionary).
Identification
Medium-sized, oblong beetles, brownish to black, found in decaying logs. Characteristics
(1):
antennae beaded, widen towards tip
base of pronotum not margined
pygidium (tip of abdomen) not exposed--covered by elytra
front tibia widened, outer (dorsal) margin coarsely serrate (differentiates this genus from similar
Eutochia, see Darkling Beetles of Florida
(2),
Subfamily Tenebrioninae)
last segment of maxillary palpi usually triangular (rarely obliquely truncate)
Some of these characters are shown in the images below:
Print References
Dillon and Dillon, pp. 468-469, plate 46, illustrate and key three species:
impressa, imeerbis, punculata (1)Internet References
North Carolina State University Entomology Collection lists four species for that state, with number pinned: imberbis (162), impressa (36), mentalis (8), punctulata (311)
Eastern Tenebrioniformes lists five species for eastern North America, has linked photos.
See Darkling Beetles of Florida for a key
(2).
