i5K: Bed bug
Bed bug (Cimex lectularius)
Source: CDC/ Harvard University, Dr. Gary Alpert; Dr. Harold Harlan; Richard Pollack. Photo Credit: Piotr Naskrecki (http://phil.cdc.gov/phil) [Public domain], via Wikimedia Commons
Size (or size of nearest relative): 866 MBp
Keywords (and why important): Novel chemistry, evolutionary branching.
Potentially lethal toxin. Model organism for understanding dermonecrotic envenomation (sphingomylinase D). Focus of research to understand neurotic fractions in venom. Provides appropriate phylogenetic sampling across diversity of order Araneae. Easily obtained from colleagues in Oregon.