FIGURES 489–497 in A revision of the genera and species of the Neotropical family Mesembrinellidae (Diptera: Oestroidea)

FIGURES 489–497. Diagnostic characters of Mesembrinella spp. 489. Dorsal view of stem vein of wing of M. bellardiana Aldrich showing stem vein setose. 490. Detail of wing of M. batesi Aldrich in ventral view, showing setose condition of subcostal sclerite. 491. Epandrium of M. mexicana sp. nov. in posterior view, showing broad dorsal division found in M. spicata group. 492. Detail of abdomen of male M. epandrioaurantia sp. nov., showing orange color of rear segments. 493. Detail of dorsal habitus of M. socors (Walker), showing triangle of bluish cuticle on hind margin T3. 494. Wing of M. pictipennis Aldrich, showing pattern of infuscation. 495. Posterodorsal habitus of male M. townsendi Guimar"es, showing wing pattern and stripes on thorax. 496. Detail of male abdomen of M. anomala (Guimar"es), showing relative lengths of T4 and T5. 497. Same as previous, showing modification of T6, STS7+8 and epandrium.