Two New Species of Helgaia (Blattaria: Blattellidae) from Brazil with Description of Male and Female Genitalia of Helgaia serrana and Keys to the Species

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith