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Species Gnatocerus maxillosus - Slender-horned Flour Beetle

Gnatocerus maxillosus
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 Tenebrionoidea (Fungus, Bark, Darkling and Blister Beetles)
Family Tenebrionidae (Darkling Beetles)
Subfamily Diaperinae
Tribe Diaperini
Subtribe Adelinina
Genus Gnatocerus
Species maxillosus (Slender-horned Flour Beetle)
Explanation of Names
Gnathocerus maxillosus (Fabricius 1810)
Size
~3 mm(1)
Identification
male has a small horn on the mandible(1)
Range
primarily tropical/subtropical and warm temperate zones worldwide(1); origin uncertain, adventive in NA & so. Europe(2)(3)
Habitat
cereal grains in warehouses(3)
Food
infests cereal grains, pumpkins, tamarind seeds, pulses, nutmeg, and peanuts(1)
Life Cycle
Development from egg to adult is 115–132 days(1)
Works Cited
1.Handbook of urban insects and arachnids: A handbook of urban entomology
Robinson W.H. 2005. Cambridge University Press.
2.California Beetle Project
3.Alien terrestrial arthropods of Europe
Roques A., Kenis M., Lees D., Lopez-Vaamonde C., Rabitsch W., Rasplus J.-Y., Roy D., eds. 2010. BioRisk 4 Special Issue; 2 vols., 1028 pp.