The correct option is B Cimex
Hemimetabolus insect are the type of insects that undergo hemimetabolous metamorphosis and emerge from eggs into nymphs that are similar in shape to the adults. Sanguivorous are the type of organism that feed on blood. Climex is the scientific name of bed bug. These are nocturnal and active mostly on night and are the parasitic insects that only depends on blood for its survival and nutrition. Thus, the correct answer is option B.