220 
Psyche 
[September 
Figs. 1-12. Right hooked phallomere (R2) of Blaberus spp. 1-2. Giganteus 
Group. 1 . B. craniifer. (ANSP), Juxtlahuaca Cave, Colotlipa, Mexico 
(det. as B. trapezoideus by Rehn). 2. B. giganteus. (ANSP), Muzo, Colom- 
bia (arrow indicates the subapical incision). 3-6. Brasilianus Group. 3. B. 
scutatus. (ANSP), Ceara Mirim, Rio Grande do Norte, Brazil. 4. B. fusi- 
formis. (ANSP), Provincia Sara, Dept Vera Cruz, Bolivia. 5. B. brasi- 
lianus. (ANSP), Natal, Brazil. 6. B. minor. (ANSP), Mission Tacaagle, 
Formosa, Argentina (det. Hebard). 7-10. Atropos Group. 7. B. atropos. 
(MCZ), Mexico. 8. B. parabolicus. (N), Ecuador. 9. B. discoidalis. (N), 
Panama. 10. B. boliviensis. (L), Guayaquil, Ecuador (det. Princis). 11-12. 
Brazilianus Group. 11. B. colosseus. (ANSP), Fyzabad, Trinidad. 12. B. sp. 
D (probably colosseus) . (ANSP), St. Laurent du Maroni, French Guiana 
(from specimen shown in Fig. 208). (all to scale shown in Fig. 12). 
