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 Ripiphoridae (Wedge-shaped Beetles)
Explanation of Names
Greek 'large jaw' --refers to the enlarged mouthparts:
The grammatical gender is feminine, thus the -a endings of the specific epithets. (Zack Falin, pers. comm. to =v=, 21.xii.2009)
the largest genus in the family, with 11 spp. in our area and ~160 worldwide(1)
; 7 spp. in NC & SC(2)(3)
, 8 in FL(4)
, 2 reach Canada(5)
Elytra cover most of abdomen. Thorax has projection covering scutellum. Usually colored black and orange. In females, abdomen blunt, antennae mostly serrate; in males, abdomen more pointed, antennae pectinate. Color varies greatly within species.
keys and descriptions in(6)(7)(8)
Worldwide; in NA, much of the US + ON & SK(1)(5)
adults usually on flowers, esp. Asteraceae(1)
Larvae are parasitoids of wasps and bees (Vespidae, Sphecidae, Crabronidae, Pompilidae, Apidae, etc.) +Host associations: M. cruenta
, twig-nesting Eumeninae; M. flavipennis
; Scoliidae, Tiphiidae(9)
; hosts in Cuba
Internal parasites of bees and wasps. Females lay eggs on flowers. Eggs hatch into an active larva called triungulin (three nails or claws) that attaches itself to visiting wasp or bee. It is carried back to wasp nest where it burrows into a host larva.
our only representative of the tribe Macrosiagonini Heyden 1908(1)
|1.||American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea|
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
|2.||Insects of North Carolina|
C.S. Brimley. 1938. North Carolina Department of Agriculture.
|3.||Tenebrionoidea of South Carolina|
Janet C. Ciegler. 2014. Clemson University.
|5.||Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition|
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.
|8.||The Rhipiphoridae of California (Coleptera)|
Linsley E.G., MacSwain J.W. 1951. Bull. Calif. Insect Surv. 1: 79-88.
Howard Ensign Evans, Mary Jane West Eberhard. 1970. University of Michigan Press.