Round Fungus Beetles (Leiodidae) - 114 Species, Identification & Facts

Agathidium exiguum

Identification: Extremely similar to A. fawcettae , can only be separated by examination of median lobe of aedeagus

Agathidium hatchi

Identification: Large size (>3.5 mm), clavate antennae, relatively long postocular temporae, and male genitalia (bifurcate median lobe) are diagnostic.

Agathidium maculosum

Identification: "distinguished by the prominent, irregular maculations on the elytra (figs. 46, 49), which distinguish the species from all others except A. pulchrum and A. amae , which it greatly resembles. From these species it differs by lacking a

Agathidium pulchrum

Identification: "distinguished by the prominent, irregular maculations on the elytra (figs. 44, 45, 51), which distinguish the species from all others except A. maculosum and A. amae . From A. maculosum it differs by having a distinctive sutural elyt

Anisotoma humeralis

There are four species of the round fungus beetle Anisotoma, but this is the only one with the orange markings, the others being entirely dark and difficult to tell apart. Woodland especially areas with fallen trees and dead wood. They are known to f

Catops basilaris

Identification: Characters of antennae, male gentilia, and female abdominal sternite 7 distinguish this species The most frequently collected Catops species in North America

Catops geomysi

Identification: distinguished by its slightly reduced eyes and long thin antennae collected in flight traps or at carrion baits or in burrows of at least three Geomys spp.

Catops grandicollis

This is a dark grey coloured round fungus beetle. Can be found in Carrion and rotting vegetable matter. Prefers more open, non woodland habitats. Widespread and fairly frequent in Britain. No additional images available for this species.

Catops gratiosus

Identification: The characters of the antennae and the male genitalia will distinguish C. gratiosus from all other North American Catops species.

Choleva angustata

Length about 5 mm and brown in colour. Choleva beetles have long legs and antennae. There are several similar species and precise identification may need detailed examination. Unless identified by a recognised expert, a photo is required and the spec

Choleva oblonga

Choleva beetles have long legs and antennae. There are several similar species and precise identification may need detailed examination - if we cannot be certain that an image is Choleva oblonga but it is likely to be this species, it is highlighted

Choleva spadicea

Choleva beetles have long legs and antennae but are hard to distinguish. This specimen is likely to be Choleva spadicea but this has not been confirmed They mainly live in the burrows of mammals or in bird nests Widespread in England, but it is diffi

Colenis impunctata

Identification: Clypeus non-emarginate; outer edge of protibia near apex with one long spine, followed by very short ones; male genitalia distinctive. Body light yellow to dark reddish. Most often taken in malaise and flight intercept traps, car nets

Idaho Ice Cave Beetle

Glacicavicola bathyscioides

Identification: the most modified cave-adapted beetle in NA

Leiodes calcarata

It's very variable in size, 1.8 - 4 mm, and in colour, usually brown or reddish brown, but some being much darker than others. Not much is known about the biology of any of the subfamily Leiodinae, but it is probable that most of them feed as larvae

Macrohydnobius matthewsii

Adults have been collected most frequently on snow, with a few in flight intercept and pitfall traps

Nemadus brachyderus

Identification: body shape distinctive our only representative of the subgenus Laferius Perkovsky that contains one more species from se. Siberia

Prionochaeta opaca

Prionochaeta opaca (Prionochaeta opaca) is a species in the family Leiodidae, commonly known as round fungus beetles, belonging to the order Coleoptera (Beetles). It is classified within the subfamily Cholevinae, tribe Cholevini, suborder Polyphaga,

Ptomaphagus cavernicola

This is a fully-eyed and functionally-winged species known (w/ one SC exception) only from caves in a largely disrupted but crescentric dist. from Mex. to IA to FL. (Peck 1973) The lack of significant variation in the cave pop. may suggest that the d

Ptomaphagus subvillosus

Length 2.2 to 3.7 mm. The pronotum and elytra have transverse microscopic sculpture plus flat hairs. The antennal club is all dark. The first four segments of the front tarsi are broadened: weakly in females but clearly so in males with the 4th segme