Plate II 



INTRAFAMILY VARIATION OF THE PSELAPHID AEDEAGUS 



(Continued) 



Fig. 1. Batrisodes denticollis (Casey). Lateral view. 



Fig. 2. Batrisodes denticollis (Casey). Dorsal view. 0.275 x 0.15 mm. 



Fig. 3. Batrisodes schaumi (Aube). Lateral view. Note membranous lateral 

 lobe. 



Fig. 4. Batrisodes schaumi (Aube). Dorsal view. 0.435 x 0.167 mm. 



Fig. 5. Batrisodes monstrosus (LeConte). Dorsal view. 0.49 x 0.268 mm. Note 

 extreme asymmetry; the accessory piece which moves to the right 

 on contraction of the asymmetrical bulbar muscles; the arcuate, 

 bifurcated extension of the median lobe; the membranous lateral 

 lobes. 



Fig. 6. Fustiger veracruzensis Park. Dorsal view, from paratype. 0.39 x 0.134 

 mm. Note homologies with ceophylline aedeagus. 



Fig. 7. Ceophyllus monilis LeConte. Dorsal view. 



Fig. 8. Ceophyllus monilis LeConte. Lateral view. 



Fig. 9. Tmesiphorus costalis LeConte. Lateral view. 



Fig. 10. Tmesiphorus costalis LeConte. Dorsal view. 0.4 x 0.25 mm. 



Fig. 11. Tmesiphorus costalis LeConte. Apical view. 



