Synonyms and other taxonomic changes
Blaberus aequalis (Walker, 1868)
Blaberus atropos (Guérin-Méneville, 1857)
Blaberus ferruginea (Saussure, 1864)
Blaberus limbata (Burmeister, 1838)
Blaberus luctuosa (Stål, 1855)
Blaberus quadrifera (Walker, 1868)
Blaberus trapezoideus (Burmeister, 1838)
Blaberus varians (Serville, 1838)
Explanation of Names
"Cranii", Latin for "of the head", and "fer", meaning "carry" or "carrier".
The largest cockroach in North America.
Adult: Very large. Tegmina black, occasionally with brown markings near the center. Pronotum spot with distinctive "death's head" face.
Nymph: Difficult to distinguish from other Blaberus when young. Overall color a pale brown with multiple yellow-ish spots on the abdomen and thorax.