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

Fall Fund Drive


Species Triatoma sanguisuga - Eastern Blood-sucking Conenose

Blood-sucker - Triatoma sanguisuga assassin bug - Triatoma sanguisuga Triatoma sanguisuga Triatoma sanguisuga Triatoma sanguisuga Triatoma sanguisuga? - Triatoma sanguisuga Assassin Bug- ?Rhynocoris  - Triatoma sanguisuga Triatoma sanguisuga
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Heteroptera (True Bugs)
Infraorder Cimicomorpha
Family Reduviidae (Assassin Bugs)
Subfamily Triatominae (Kissing Bugs)
Genus Triatoma (Bloodsucking Conenoses)
Species sanguisuga (Eastern Blood-sucking Conenose)
Other Common Names
Big Bed Bug, Mexican Bed Bug
Explanation of Names
Triatoma sanguisuga (LeConte 1855)
16-21 mm
Medium-sized, boldly patterned in dark brown to black with reddish markings. Beak tapered, not curved, as in Reduvius, and bare(1)(2)
key to spp. in Lent & Wygodzinsky (1979)(3)
e. US (NH-ON to FL-TX)(1)
Nests of small mammals; may invade houses. Nocturnal.
Blood of mammals, especially Eastern Wood Rat, Neotoma floridana. Also feeds on bed bugs and other insects.
Life Cycle
After mating and finding a host, adults no longer fly; female scatters many eggs after blood meal (usually May-Sep); nymphs have 8 instars and usually take two years to mature (entire life cycle 3 yrs)(2)
Sometimes bites humans, and the bite may be severe, causing an allergic reaction
Works Cited
1.How to Know the True Bugs
Slater, James A., and Baranowski, Richard M. 1978. Wm. C. Brown Company.
2.The Common Insects of North America
Lester A. Swan, Charles S. Papp. 1972. Harper & Row.
3.Revision of the Triatominae (Hemiptera, Reduviidae), and their significance as vectors of Chagas' disease
H. Lent & P. Wygodzinsky. 1979. Bulletin of the American Museum of Natural History, 163: 1-520.