Species Gymnetis thula - Harlequin Flower Beetle
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)
Superfamily Scarabaeoidea (Scarab, Stag and Bess Beetles)
Family Scarabaeidae (Scarab Beetles)
Subfamily Cetoniinae (Fruit and Flower Chafers)
Species thula (Harlequin Flower Beetle)
Synonyms and other taxonomic changes
misidentified as: G. sallei and G. flavomarginata, these names correctly apply to species from southern Mexico and S. Amer. respectively.
unavailable: Gymnetis caseyi
Antoine, 2001, see Ratcliffe (2018) for discussion (1)
Explanation of Names
Gymnetis thula Ratcliffe, 2018
(L). 'the furthest north" (1)
Ratcliffe (2018) determined 56 spp. within Gymnetis
, but only G. thula
reaches the U.S. (1)
mostly of the interior of TX to the Rio Grande - Map
) with limited records in LA and FL / Tamps & SLP, Mex. (1)(2)(3)(4)
, plus Ocean Springs, Miss. (5)
all months, but mostly April-July (1)
Adults have been taken feeding on ripe fruit, in syrup and fruit traps, and occasionally at lights. Also at sap flows on false willow, Baccharis neglecta
Ritcher (1966) reported three third instar larvae collected December 31, 1919, at Blue Mott, Victoria Co., TX in rotten moss in a hollow anacua (Ehretia anacua
) tree. (6)
Sundberg (pers. comm. to BCR, 2017) reports larvae in tree holes of living mesquite, post oak, and several other trees. (1)
Schaum has been reported from AZ, but Ratcliffe (2018) found no spmns to confirm this. (1)
Antoine, P. 2001. Contribution a la connaissance des Gymnetini (Coleoptera, Cetoniidae). Coléoptères 7: 113-136.
Ratcliffe, B.C. 2018. A monographic revision of the genus Gymnetis
MacLeay, 1819 (Coleoptera: Scarabaeidae: Cetoniinae). Bulletin of the University of Nebraska State Museum 31: 1-250. (1)
- Mike Quinn, 2018
|2.||An annotated checklist of the Scarabaeoidea of Texas.|
Edward G. Riley & Charles S. Wolfe. 2003. Southwestern Entomologist, Supplement. 37 pp.
|3.|| A distributional checklist of the beetles (Coleoptera) of Florida.|
Peck & Thomas. 1998. Florida Department of Agriculture and Consumer Services, Gainesville. 180 pp.
|6.||White Grubs and Their Allies, a Study of North American Scarabaeoid Larvae|
Paul O. Ritcher. 1966. Oregon State University Press, Corvallis. 219 pp.