Scatophila mesogramma (Loew, 1869)

Zatwarnicki, Tadeusz & Mathis, Wayne N., 2024, Revision of the Nearctic Species of the Shore-Fly Genus Scatophila Becker (Diptera: Ephydridae), Zootaxa 5487 (1), pp. 1-100 : 29

The mesogramma Group

Diagnosis.—Ventral margin of epandrium straight or convex ( Fig. 67 , 77 , 86 ); neohypandrium band-like, strongly deflected. postgonite lobate, proximal margin slightly convex; distal process triangular, sometimes bifurcate, ventral process long and narrow; aedeagus with ventral process, in dorsal view oval, in lateral view ventral margin broadly oval; distal margin of the dorsal aedeagal opening broadly incised with lateral processes; phallapodeme in lateral view ( Figs. 44 , 55 , 63 , 70 ) mostly arcuate deflected, in dorsal view generally with broad proximal extension and lateral process variously developed.

Nearctic species included in the mesogramma group are: Scatophila adamsi Cresson , S. hesperia Sturtevant and Wheeler , S. mesogramma (Loew) , S. iowana Wheeler , S. ordinaria Sturtevant and Wheeler , and S. viridella Sturtevant and Wheeler.

Figures

FIGURES 67–70. Male terminalia of Scatophila mesogramma (Loew). 67. Epandrium and cerci, posterior view. 68. Same, lateral view. 69. Internal male terminalia (gonite, phallapodeme, aedeagus, neohypandrium), ventral view. 70. Same, lateral view. Scale bar = 0.1 mm.

FIGURES 77–80. Male terminalia of Scatophila ordinaria Sturtevant & Wheeler. 77. Epandrium and cerci, posterior view. 78. Same, lateral view. 79. Internal male terminalia (gonite, phallapodeme, aedeagus, neohypandrium), ventral view. 80. Same, lateral view. Scale bar = 0.1 mm.

FIGURES 86–88. Male terminalia of Scatophila viridella Sturtevant & Wheeler. 86. Epandrium and cerci, posterior view. 87. Internal male terminalia (gonite, phallapodeme, aedeagus, neohypandrium), ventral view. 88. Same, lateral view. Scale bar = 0.1 mm.

FIGURES 42–44. Male terminalia of Scatophila adamsi Cresson. 42. Epandrium and cerci, posterior view. 43. Internal male terminalia (gonite, phallapodeme, aedeagus, neohypandrium), ventral view. 44. Same, lateral view. Scale bar = 0.1 mm.

FIGURES 53–55. Male terminalia of Scatophila hesperia Sturtevant & Wheeler. 53. Epandrium and cerci, posterior view. 54. Internal male terminalia (gonite, phallapodeme, aedeagus, neohypandrium), ventral view. 55. Same, lateral view. Scale bar = 0.1 mm.

FIGURES 61–63. Male terminalia of Scatophila iowana Wheeler. 61. Epandrium and cerci, posterior view. 62. Internal male terminalia (gonite, phallapodeme, aedeagus, neohypandrium), ventral view. 63. Same, lateral view. Scale bar = 0.1 mm.