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Genus Sphenophorus - Billbugs

BG1538 298-006 - Sphenophorus necydaloides Beetle ID Request - Sphenophorus minimus Billbug - Sphenophorus venatus Billbug's - Sphenophorus coesifrons - male - female Billbug - Sphenophorus venatus Billbug 1 - Sphenophorus destructor what species´╝č - Sphenophorus coesifrons Sphenophorus subulatus Chittenden - Sphenophorus subulatus
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 Cucujiformia)
Superfamily Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Dryophthorinae
Tribe Rhynchophorini
Subtribe Sphenophorina
Genus Sphenophorus (Billbugs)
Synonyms and other taxonomic changes
Calandra, Calendra
Explanation of Names
Sphenophorus Schönherr 1838
Greek 'wedge-bearer'
Numbers
65 spp. in our area(1); selected local faunas: 20 spp. in Canada(2), 24 in SC(3), 25 in FL(4), 18 in CA(5), 11 in NH(6),...
Identification
Key to spp. in(7)
Only a small proportion of Sphenophorus have three clear-cut, bare, elevated stripes or ridges (australis, cariosus, costicollis, costipennis, incongruus, latinasus, pertinax, robustus, robustior, and villosiventris)(7)
Range
so. Canada to Argentina; also in the Old World (much fewer spp. there)(8)
Habitat
Fields, wet areas, with host plants
Food
associated with various monocots, incl. grasses (Poaceae) and sedges (Cyperaceae)(1)
Remarks
some spp. damage turfgrass or corn(1); in NA, the following spp. have been reported to damage turfgrass: S. parvulus, S. minimus, S. venatus, S. inaequalis, S. phoeniciensis, S. cicatristriatus, S. coesifrons, S. apicalis (although many other spp. may occur alongside) (Huang 2008)