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Prodoxus Y-inversa
The main characteristics of a third species of the genus are given in Fig. 258. The left front wing is represented at a, the hair-line beneath serving to show the natural size of the wing. By looking at the figure upside down the reader will understand why the specific name which was given to the moth originally suggested itself. The genitalia of the male moth are represented at b enlarged fourteen diameters. This view is taken from above and gives the dorsal aspect of these organs. At c we have a lateral view of the same parts magnified eighteen diameters. The ovipositor of the female is shown at d exserted from the anal joint of the abdomen. At e there is given another lateral view of the tip of the ovipositor much more enlarged. This view shows the peculiar saw-like structure of the organ, by help of which incisions are made in the soft outer bark of the growing stems of the Yucca. Both this and the preceding species are found in California.