Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar

TaxonomyBrowse
Info
ImagesLinksBooksData

Species Xyloryctes thestalus

Which Black Beetle ? - Xyloryctes thestalus Xyloryctes thestalus? - Xyloryctes thestalus - male Unknown Beetle - Xyloryctes thestalus Female, Xyloryctes thestalus? - Xyloryctes thestalus - female Arizona Beetle  - Xyloryctes thestalus - male Xyloryctes thestalus? - Xyloryctes thestalus - female Male, Xyloryctes thestalus? - Xyloryctes thestalus - male Female, Xyloryctes thestalus? - Xyloryctes thestalus - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
Superfamily Scarabaeoidea
Family Scarabaeidae (Scarab Beetles)
Subfamily Dynastinae (Rhinoceros Beetles)
Tribe Oryctini
Genus Xyloryctes (Rhinoceros Beetles)
Species thestalus (Xyloryctes thestalus)
Explanation of Names
Xyloryctes thestalus Bates 1888
Size
23.5-43.0 mm(1)
Identification
has a distinctly protuberant pronotal process with an emarginate apex in the males; elytra vary from smooth to longitudinally furrowed with punctures; apex of metatibia has 7-8 small teeth; parameres with a relatively long basolateral flange(1)
Range
sw US (AZ to w. TX, UT) to Guatemala - Map(1)
Life Cycle
Adults are commonly attracted to lights and to Arizona ash, Fraxinus velutina (Oleaceae)(1)
at high risk of endangerment due to the EAB (2)
Remarks
former records of X. jamaicensis from AZ, NM, and sw. TX refer to X. thestalus(1)