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TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Nematodes

Slow mo larvae - Nematodes penetrans Slow mo larvae - Nematodes penetrans Nematodes humpreyi Muona - Nematodes humphreyi Beetle - Nematodes atropos BioBlitz Bug 118 - Nematodes atropos False Click Beetle - Nematodes atropos Eucnemidae - Nematodes penetrans Nematodes collaris
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Elateriformia)
Superfamily Elateroidea (Click, Firefly and Soldier Beetles)
Family Eucnemidae (False Click Beetles)
Subfamily Macraulacinae
Genus Nematodes
Synonyms and other taxonomic changes
Hypocaelus Dejean 1833, Emathion Laporte 1835, Sphaeocephalus Laporte 1835
Numbers
4 spp. in our area, ~40 total(1)
Size
3.0-11.0 mm(1)
Identification
The group is best identified by its produced visible abdominal ventrite and basally obliterated lateral antennal grooves.
Key to nearctic spp.
1 Hypomera with basally obliterated lateral antennal grooves..........2
1' Hypomera with strong lateral antennal grooves .......N. humpreyi Muona
2 6th antennomere equal in length to the 7th .................................................3
2' 6th antennomere shorter than the 7th ................................. N. penetrans (LeConte)
3 11th antennomere more than twice longer than wide. Frons with distinct median impression. Pronotum with deep median line and circular impressions on disc ....................................N. collaris Bonvouloir
3' 11th antennomere less than 2 time longer than wide, stouter. Frons with weak median impression. Pronotum with weak median line and circular impressions on disc ...........................N. atropos (Say)
Range
worldwide, most diverse in the Neotropics; in our area, 2 spp. widely distributed across e. NA, 1 sp. has scattered records species (7 US states), and one is a FL endemic(1)
Habitat
Largely found in forested areas
Season
Late March to mid-August
Food
Larvae are believed to utilize logs of various types of deciduous trees.
Works Cited
1.A revision of the Nearctic Eucnemidae
Muona J. 2000. Acta Zoologica Fennica 212: 1-106.