Mortoniella ormina (Mosely, 1939)

Blahnik, Roger J. & Holzenthal, Ralph W., 2011, Revision of the austral South American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae) 2851, Zootaxa 2851 (1), pp. 1-75 : 74

Mortoniella ormina group

29(3) Apicolateral margin of tergum X with crescentic incision ( Fig. 25A ); dorsal phallic spine with apicomesal incision and usually with minute spines ( Fig. 25D )................................................ M. collegarum (Rueda & Gibon) .

— Apicolateral margins of tergum X not incised ( Fig. 24A ); dorsal phallic spine without apicomesal incision and never with minute spines ( Fig. 24D )................................................................................. 30

30(29) Lateral lobes of tergum X acute apically ( Figs. 24A, B ); dorsal phallic spine upturned, but apex not posteriorly recurved ( Fig. 24A ); apparently with several pairs of paramere appendages ( Fig. 24A )........................ M. catarinensis (Flint) .

— Lateral lobes of tergum X rounded apically ( Figs. 23A,B ); dorsal phallic spine with apex abruptly narrowed and posteriorly recurved ( Fig. 23A ); with only 1 pair of paramere appendages ( Figs. 23A , 26A ) [but with short, paired processes from the phallicata in M alicula , new species] ( Figs. 23A, C )......................................................... 31

31(30) Dorsal phallic spine with very broad T-shaped lateral projections preapically ( Fig. 23D ); paramere appendages very elongate and slender ( Fig. 23A )................................................................... M. alicula , n. sp.

— Dorsal phallic spine only moderately widened preapically ( Fig. 26D ); paramere appendages short ( Fig. 26A )................................................................................................. M. ormina (Mosely) .

Figures

FIGURE 23. Mortoniella alicula, new species, male genitalia: A—lateral; B—segment IX and tergum X, dorsal; C—phallic ensemble, ventral; D—dorsal phallic spine, dorsal; E—ventral process of segment VI, lateral.

FIGURE 24. Mortoniella catarinensis (Flint), male genitalia: A—lateral; B—segment IX and tergum X, dorsal; C—phallic ensemble, ventral; D—dorsal phallic spine, dorsal; E—ventral process of segment VI, lateral.

FIGURE 25. Mortoniella collegarum (Rueda & Gibon), male genitalia: A—lateral; B—segment IX and tergum X, dorsal; C— dorsal phallic spine, dorsal.

FIGURE 26. Mortoniella ormina (Mosely), male genitalia: A—lateral; B—segment IX and tergum X, dorsal; C—dorsal phallic spine, dorsal; D—ventral process of segment VI, lateral.