226 
Psyche 
[Dec. 
Explanation of Plate 18 
Fig. 1. Evalljapyx sonoranus : abdominis pars postica a segmento 6° prona 
(fig. ampliata). 
Fig. 2. Evalljapyx dispar: abdominis pars postica a segmento 6° prona 
(fig. ampliata). 
