Synonyms and other taxonomic changes
Explanation of Names
Greek ceras 'horn' + Latin turgus 'swollen'
10 spp. in our area, 14 total(1)
This genus is characterized by the very elongate antennal segments which add to the wasp mimicry. Several have banding on the abdomen as well and some are dark-winged. The other more widespread species from cruciatus has bright yellow legs.
detailed descriptions of several species in(3)
Eastern North America. Ranges are somewhat uncertain due to the rarity of specimens. Summary of ranges based on Herschel Raney's Ceraturgus
C. aurulentus (Fabricius): Massachusetts south to South Carollina, west to Michigan
C. cornutus (Wiedemann): Georgia south to Florida, west to Alabama, Arkansas
C. cruciatus (Say): Midwest--Minnesota, Illinois, south to Oklahoma
C. fasciatus Walker: Northeast--Maine to South Carolina, west to Michigan, Missouri
C. elizabethae Brimley: Southeast--Pennsylvania south to Georgia, west to Indiana, Texas
C. johnsoni Martin: Florida
C. mitchelli Brimley: Pennsylvania, west to Michgan, south to Nebraska, Texas, Louisiana, North Carolina
C. nigripes Williston: Georgia, Carolinas, Tennessee
C. oklahomensis (Bromley): Oklahoma, Texas
C. similis Johnson: Vermont south to West Virginia
C. cruciatus often found in open areas and field habitat; C. elizabethae seems to prefer small openings in wooded areas. Many of the other preferences are unknown.
Reported to take various small insects, such as beetles and Hemiptera(2)
Mostly unknown other than the general robber fly info. Reported to oviposit in soil(2)
Virtually any observation of behavior, habitat of food preference in this genera is likely of scientific interest. Locations for species other than cruciatus should be reported.
, also a strong wasp mimic--the antennae eliminate most other robberfly groups