Mortoniella albolineata

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 : 73-74

publication ID	https://doi.org/ 10.11646/zootaxa.2851.1.1
persistent identifier	https://treatment.plazi.org/id/03BE8797-001B-FFFD-98B1-FF1EFA26C44B
treatment provided by	Felipe
scientific name	Mortoniella albolineata
status

Treatment

Mortoniella albolineata subgroup

11(9) Inferior appendages with narrow, elongate, apically acute, ventromesal process, usually asymmetrically developed ( Figs. 15A, C View FIGURE 15 )................................................................................................ 12

— Inferior appendages without ventromesal process ( Fig. 2C View FIGURE 2 ), or ventromesal process very short ( Fig. 17C View FIGURE 17 )............... 18

12(11) Apicolateral projections of tergum X very elongate, acute ( Figs. 9A,B View FIGURE 9 ); apex of dorsal phallic spine recurved downward ( Fig. 9A View FIGURE 9 )................................................................................ M. intervales , n. sp.

— Apicolateral projections of tergum X much shorter ( Figs. 15A, B View FIGURE 15 ); apex of dorsal phallic spine upturned ( Fig. 15A View FIGURE 15 )...... 13

13(12) Apex of dorsal phallic spine widened in lateral view, crescent-shaped ( Figs. 5A, D View FIGURE 5 )................. M. crescentis , n. sp.

— Apex of dorsal phallic spine not widened in lateral view, not crescent-shaped ( Fig. 8A View FIGURE 8 )............................. 14

14(13) Apex of dorsal phallic spine sharply upturned and covered with minute spines ( Fig. 8A View FIGURE 8 ); apicolateral projections of tergum X truncate in lateral view ( Fig. 8A View FIGURE 8 )......................................................... M. hystricosa , n. sp.

— Apex of dorsal phallic spine without minute spines; apicolateral projections of tergum X not truncate in lateral view...... 15

15(14) Endophallic membrane with short curved spine ( Fig. 15A View FIGURE 15 ); paramere appendages somewhat widened preapically ( Fig. 15A View FIGURE 15 )................................................................................................... 16

— Endophallic membrane with very prominent spine, curved or not ( Figs 3A View FIGURE 3 , 6A View FIGURE 6 ); paramere appendages nearly uniform in width throughout length ( Figs. 3A, 3C View FIGURE 3 , 6A, 6C View FIGURE 6 ).................................................................. 17

16(15) Dorsal phallic spine very distinctly widened in middle, as viewed dorsally ( Fig. 10D View FIGURE 10 ); tergum X with mesal excision wider, more U-shaped ( Fig. 10B View FIGURE 10 )................................................................ M. latispina , n. sp.

— Dorsal phallic spine not or only slightly widened in middle, as viewed dorsally ( Fig. 15D View FIGURE 15 ); tergum X with mesal excision more V-shaped ( Fig. 15B View FIGURE 15 ).................................................................. M. teutona (Mosely) .

17(15) Paramere appendages distinctly shorter than dorsal phallic spine ( Figs. 6A,C View FIGURE 6 ); spine of endophallic membrane nearly straight, dagger-like ( Fig. 6A View FIGURE 6 )..................................................................... M. dolonis , n. sp.

— Paramere appendages elongate, as long as or longer than dorsal phallic spine ( Figs. 3A,C View FIGURE 3 ); spine of endophallic membrane distinctly curved ( Fig. 3A View FIGURE 3 )............................................................... M. albolineata Ulmer.

18(11) Paramere appendages unequal in length and differing in orientation, left one distinctly shorter than right ( Figs. 4A, C View FIGURE 4 )..... 19

— Paramere appendages equal in length and symmetrically oriented ( Figs. 2A, C View FIGURE 2 )................................... 20

19(18) Tergum X with apicolateral processes truncate, as viewed dorsally ( Fig. 16B View FIGURE 16 )....................... M. truncata , n. sp.

— Tergum X with apicolateral processes subacute, as viewed dorsally ( Fig. 4B View FIGURE 4 )..................... M. asymmetris , n. sp.

20(18) Dorsolateral processes of phallicata forming elongate, downward bent, arm-like processes ( Figs. 2A, D View FIGURE 2 ).... M. agost a, n. sp.

— Dorsolateral processes of phallicata prominent ( Figs. 18A, C View FIGURE 18 ) or not ( Figs. 1A, D View FIGURE 1 ), but not forming elongate arm-like processes................................................................................................... 21

21(20) Paramere appendages elongate, as long as or longer than dorsal phallic spine ( Figs. 1A View FIGURE 1 , 13A View FIGURE 13 ) [ M. paraunota , with paramere appendages somewhat intermediate in length, treated under both couplets]....................................... 22

— Paramere appendages relatively short, distinctly shorter than dorsal phallic spine (Figs, 7A, 17A)..................... 24

22(21) Tergum X with apicolateral projections separated by very wide U-shaped mesal invagination ( Fig. 1B View FIGURE 1 ); apex of dorsal phallic spine, in dorsal view, rounded ( Fig. 1D View FIGURE 1 )...................................................... M. acauda , n. sp.

— Tergum X with apicolateral projections separated by narrower U-shaped or V-shaped mesal invagination ( Figs. 13B View FIGURE 13 , 14B View FIGURE 14 ); apex of dorsal phallic spine, in dorsal view, narrow, acute ( Fig. 13D View FIGURE 13 , 14D View FIGURE 14 )....................................... 23

23(22) Dorsolateral projections of inferior appendage rounded apically ( Fig. 13A View FIGURE 13 ); dorsal phallic spine, as viewed dorsally, not distinctly widened in apical 1/2 ( Fig. 13D View FIGURE 13 )..................................................... M. parauna , n. sp.

— Dorsolateral projections of inferior appendage subacute apically ( Fig. 14A View FIGURE 14 ); dorsal phallic spine, as viewed dorsally, very distinctly widened in apical 1/2 ( Fig. 14D View FIGURE 14 ).................................................... M. paraunota , n. sp.

24(21) Spine of endophallic membrane very elongate and prominent ( Fig. 11A View FIGURE 11 )......................... M. longispina , n. sp.

— Spine of endophallic membrane short or only moderately elongate ( Figs. 7A View FIGURE 7 , 17A View FIGURE 17 )................................ 25

25(24) Dorsal phallic spine, in dorsal view, with apex abruptly narrowed (laterally compressed) ( Figs. 17D View FIGURE 17 ; 18D View FIGURE 18 ); apex, in lateral view, widened and blade-like ( Figs. 17A View FIGURE 17 , 18A View FIGURE 18 )............................................................. 26

— Dorsal phallic spine, in dorsal view, with apex not abruptly narrowed ( Fig. 7C View FIGURE 7 ); apex, in lateral view, tapered and acute, not blade-like ( Fig. 7A View FIGURE 7 )................................................................... M. guahybae , n. sp.

26(25) Apices of lateral lobes of inferior appendage at least somewhat posteriorly recurved apically ( Figs. 12A View FIGURE 12 , 17A View FIGURE 17 ); paramere appendages short ( Figs. 12A View FIGURE 12 , 17A View FIGURE 17 ); dorsal phallic spine strongly inflected ( Figs. 17A View FIGURE 17 , 12A View FIGURE 12 ); endophallic membrane without dorsolateral flanges.................................................................................. 27

— Apices of lateral lobes of inferior appendage not recurved ( Fig. 14A View FIGURE 14 ); paramere appendage more elongate ( Fig. 14A View FIGURE 14 ); dorsal phallic spine less inflected ( Fig. 14A View FIGURE 14 ); endophallic membrane with lightly sclerotized dorsolateral flanges ( Figs. 14A, C View FIGURE 14 )........................................................................................ M. paraunota , n. sp.

27(26) Inferior appendages with apices of lateral lobes very distinctly posteriorly recurved ( Fig. 17A View FIGURE 17 ); dorsolateral processes of phallicata more or less rounded ( Fig. 17A View FIGURE 17 )..................................................... M. unota (Mosely) .

— Inferior appendages with apices of lateral lobes, each with only short, bent process ( Fig. 12A View FIGURE 12 ); dorsolateral processes of phallicata prominent, ovate or elongate in shape ( Figs. 12A View FIGURE 12 , 18A View FIGURE 18 )................................................... 28

28(27) Dorsolateral processes of phallicata thick and enlarged; dorsal phallic spine very strongly bent, apex somewhat anteriorly recurved ( Fig. 12A View FIGURE 12 )............................................................... M. paraguaiensis , n. sp.

— Dorsolateral processes of phallicata slender, elongate ( Fig. 18A View FIGURE 18 ); dorsal phallic spine less strongly bent, apex not anteriorly recurved ( Fig. 18A View FIGURE 18 )................................................................. M. uruguaiensis , n. sp.