Maietta squamigera Alexander, 1929 : p. 185 Systematics of the genus Maietta Alexander with description of three new species (Diptera: Tipulomorpha: Limoniidae) Santos, Daubian Santos, Rodrigo Dos Reis Ribeiro, Guilherme Cunha Zootaxa 2019 2019-11-11 4695 4 331 350 735B4 Alexander, 1929 Al. Det. C. P. Alexander 1929 [151,602,786,813] Insecta Limoniidae Maietta Animalia Diptera 2 333 Arthropoda species squamigera  ( Figs 1a, 3, 5a, 6a, 7a, 8a, 9a, 10a)    Maietta squamigera Alexander, 1929: p. 185(description), fig. 104 (wing), fig. 233 (male terminalia), fig. 234 (female terminalia).   Material examined:   Holotype.  Maietta squamigeraAl. Det. C. P. Alexander, male, Chile, Chiloé Is., Mechuque Is.[ 42° 18’ S, 73° 16’ W],  23-XII-1926, F. & M. Edwards,  Holotype( USNM). Part of specimen pinned and part in slide prepared by Charles Paul Alexander.   Paratype. Specimenin slide prepared by Charles Paul Alexander:  Maietta squamigeraAl. Det. C. P. Alexander, male, Chile, Chiloé Is., Ancud[ 41° 52’ S, 73° 48’ W],  18-XII-1926, F. & M. Edwards,  Paratype( USNM).   Materialidentified by Charles Paul Alexander.Pinned specimens:  Maietta squamigeraAl. Det. C. P. Alexander, 2 males, Chile, Arauco, Nahuelbuta, Butamalal[ 37° 49’ S, 73° 14’ W],  1100–1400 m, 23/  31-I-1954, Luis Peña ( USNM);   Maietta squamigeraAl. Det. C. P. Alexander, male, Chile, Arauco, Nahuelbuta, Pichinahuel[ 37° 48’ S, 73° 02’ W],  1100–1400 m, 23/  31-I-1954, Luis Peña ( USNM).   Maietta squamigeraAl. Det. C. P. Alexander, female, Chile, Chiloé Is., Aucar [ 42° 10’ S, 73° 30’ W], 6/  15-I-1952, Luis Peña ( USNM).  Specimensin slides prepared by Charles Paul Alexander:  Maietta squamigeraAl. Det. C. P. Alexander, female, Chile, Arauco, Nahuelbuta, Butamalal[ 37° 49’ S, 73° 14’ W],  1100–1400 m, 23/  31-I-1954, Luis Peña, Met. 129 ( USNM);   Maietta trimediaAl. Det. C. P. Alexander, male, Chile, Arauco, Pillim Pilli[ 37° 46′ S, 73° 04′ W],  600-800 m,  15- I-1954, Peña ( USNM);   Maietta squamigeraAl. Det. C. P. Alexander , 1 femaleand 2 [sex unknown], Chile, Chiloé Is., Aucar[ 42° 10’ S, 73° 30’ W], 6/  15-I-1952, Peña ( USNM).   Diagnosis.Wing with only 2 medial veins. Pedicel as long as scape. Vein M 1+2twice as longer as r-m.   Description. Head. Scape ca. 1.3 times longer than wide. Pedicel similar to scape in length (autapomorphic feature). Pedicel as long as first flagellomere. Penultimate flagellomere ca. 1.1 times longer than last one ( Fig. 5a).  Thorax.Thoracic sclerites shown in Fig. 6a. Wing shown in Fig. 1a, Fig. 3a, and Fig. 7a. Vein Sc ending at level of R 2+3. Vein R 23 times longer than vein R 2+3. Length of vein R 2+3+42.3 times longer than vein R 2+3. First section of vein R 51.9 times longer than cross-vein r-m. First section of vein M 1+23.2 times longer than cross-vein r-m. Two medial veins present. Distance between M 1+2and R 5smaller than distance between M 3+4and M 1+2.  Female terminalia.Female tergite X 1.6 times longer than wide. Dorsal margin of tergite X with a projection. Cercus tilted up, 1.8 times smaller than length of tergite X. Ventral margin of tergite IX 2.7 times longer than dorsal margin. Dorsal projection of sternite IX angulated. Posterior projection of sternite IX zigzagged. Hypogynial valves almost circular, 1.1 times longer than wide and less wide than sternite IX ( Fig. 8a).  Male terminalia.Male terminalia illustrated in Fig. 9a(Details of chaetotaxy shown in Fig 10a). Gonocoxite 1.6 times longer than lobe of gonostylus and 1.4 times longer than clasper of gonostylus. Parameres with concave anterior margin. Sheath of aedeagus with bifid projection with very small tips. Bridge between interbases as wide as aedeagus. Long tip of the bifid posterior projection of interbases four times longer than the short tip. Both projections of dorsal interbase pointing to the right.  Coloration.General coloration brown. Head: brown with few dark punctures. Rostrum brown, palpi brown. Antennae yellowish brown with outer segments light brown. Thorax: Pronotum yellowish brown, pleuron testaceous yellow. Halters pale yellow with base and knob copper. Wings hyaline, scales brown, veins nearly hyaline. Coxae and trochanters testaceous, femora pale with apices testaceous. Abdomen brown.   Remarks.One specimen of this species was misidentified by C. P. Alexander as  M. trimediaAlexander. 2449444000 1926-12-23 Chiloe Is. & Mechuque Is. & F. & M. Edwards Chile -42.3 Chile 1150 -73.26667 2 333 1 holotype 2449444001 USNM Chile 2 333 1 holotype 2449444006 1926-12-18 Chiloe Is. & F. & M. Edwards Chile Ancud -41.866665 Specimen 1153 -73.8 Charles Paul Alexander 2 333 1 paratype 2449444004 [262,470,1124,1151] USNM Chile 2 333 1 paratype 2449444002 1954-01-31 USNM Chile Material 1250 -37.816666 Nahuelbuta 1179 -73.23333 Charles Paul Alexander. Pinned 2 333 2 2 Araucania paratype 2449443997 1954-01-31 USNM Chile 1250 -37.8 Pichinahuel 1179 -73.03333 Nahuelbuta 2 333 1 Araucania paratype 2449443999 1952-01-15 USNM Chiloe Is. Chile -42.166668 Chile 1152 -73.5 2 333 1 paratype 2449444005 1954-01-31 USNM Chile Specimens 1250 -37.816666 Nahuelbuta 1179 -73.23333 Charles Paul Alexander 2 333 1 Araucania paratype 2449443998 1954-01-15 USNM Chile 700 -37.766666 Pillim Pilli 1179 -73.066666 2 333 1 Araucania paratype 2449444003 1952-01-15 USNM Chiloe Is. & Aucar Chile -42.166668 Chile 1152 -73.5 2 333 1 1 paratype