Glyphidops flavifrons ( Bigot, 1886 )

Gomes, Lucas R. P., Sepúlveda, Tatiana A. & Pedraza-Lara, Carlos, 2023, Neriidae (Diptera: Schizophora) from Mexico: new species, new records and an identification key, Zootaxa 5264 (1), pp. 27-46 : 36-38

Glyphidops flavifrons ( Bigot, 1886)

( Figs 1F, G , 5A, B , 8E )

Diagnosis. First flagellomere oblong with arista apical, brown and bare. Ocellar triangle blackish-brown, contrasting in colour with the yellow frontal vitta ( Fig. 1G ). Vibrissa absent. Occiput brown with median yellow stripe widening posteroventrally, giving the ventral brown half of occiput a triangular shape ( Fig. 5A, B ). Prosternum narrow, separated from proepisternal plate by a wide membranous area. Two dorsocentral prescutellar setae. Scutum with two dorsomedian white pruinose stripes, separated by one wide median brown stripe that narrows after transverse suture ( Fig. 1G ). Thoracic pleuron variable in colour, from pale brown to entirely yellow, katatergite yellow ( Fig. 5A, B ). Fore coxa with one antero-apical seta (adapted from Sepúlveda et al. 2014).

Material examined. Mexico. Campeche. Xtacumbilxunaán [19.99996, -89.74983], 22.vi.1985, M. Vertiz, 1 male ( CNIN) . Chiapas. Cacahoatán, Ej. Benito J. El Plan [15.100733, -92.143917], 1705m, Malaise, 13.vii-12.viii.2018, Cancino-López, R. J. & Luna-Luna, A. M., 1 female ( CNIN) ; Escuintla, Finca Sta. Isabel [15.32289, -92.65883], 5-7.vii.1988, A. Cadena & L. Cervantes, 7 males and 5 females ( CNIN) ; Ixtacomitan [17.42981, - 93.09721], 12.xii.1985, F. Arias, 1 female ( CNIN) ; Ocosingo Chajul, Reserva Montes Azules [16.11260, -90.94089], 28.iv-5.v.1986, F. Arias, R. Barba & L. Cervantes, 1 male and 5 females ( CNIN) ; same label information, except: 9-14.vii.1987, F. Arias & L. Cervantes, 3 males and 4 females ( CNIN) ; 9-14.vii.1987, L. Cervantes & R. Barba, 1 female ( CNIN) ; Tapachula, Finca La Chinita [14.90538, -92.26629], 19.iii.1985, H. Velasco, 1 male and 1 female ( CNIN) ; same label information, except: 23.iii.1985, F. Arias, 1 female ( CNIN) ; 30.viii.1985, F. Arias, 1 female ( CNIN) ; Tapachula [14.90604, -92.26492], 16.iii.1985, F. Árias, 1 male ( CNIN) . Guerrero. Acahuizotla [17.36061, -99.46751], 28.i.1982, H. Brailovsky, 1 female ( CNIN) ; same label information, except: E. Barrera, 1 female ( CNIN) ; Tierra Colorada [17.16581, -99.52659], 12.xii.1977, J. Butze, 1 female ( CNIN) . Jalisco. Estación de Biología Chamela [19.49834, -105.04457], trampa de fermento, 4.x.1989, E. Ramírez, 1 female ( EBCH) ; same label information, except: 24.iv.1991, 1 male ( EBCH) ; 5.xii.1988, 1 male and 3 females ( EBCH) ; 15.v.1989, 1 female ( EBCH) ; 13.xi.1989, 2 males and 3 females ( EBCH) ; 7.xii.1989, 1 female; 29.i.1990, 1 male and 1 female ( EBCH) ; 2.ii.1990, 1 male and 3 females ( EBCH) ; McPhail , 1-8.x.1991, 1 female ( EBCH) ; 1-8.iii.1992, 2 males and 12 females ( EBCH) ; 1-8.i.1992, 4 females ( EBCH) ; Carretera Barra Navidad - Puerto Vallarta, km 70, San Mateo [19.57642, -105.08577], 16.x.1989, 1 male ( EBCH) . Mexico. Texcoco, San Dieguito [19.49015, -98.82432], [unknown date] F. Durán, 1 female ( CNIN) ; Malinalco Malikualli [18.951311, -99.486200], 30.ix-28.x.2019, S. Rodríguez, C. Pedraza, E. Nuple, L. García, 2 females ( CNIN, CARF) ; same label information, except: 30.ix.2019, 5 males (2 CNIN, 3 CARF) and 6 females (3 CNIN, 3 CARF) . Morelos. Alpuyeca [18.74061, -99.26068], 1.ix.1983, A. Ibarra, 4 males and 5 females ( CNIN) ; Yautepec [18.88905, -99.06186], [unknown date and collector] 1 female ( CNIN) . Oaxaca. Candelaria de Loxicha [15.92607, -96.48925], 10.ii.1982, M. Garcia, 2 male and 2 female ( CNIN) ; same label information, except: 2.xii.1982, 1 male and 1 female ( CNIN) ; A. Ibarra , 1 male and 1 female ( CNIN) ; 2.xii.1982, A. Ibarra, 2 females ( CNIN) ; Carretera Tuxtepec - Oaxaca, Metates [17.12447, -96.05514], 15.x.1990, E. Ramírez, 1 male and 1 female ( CNIN) ; same label information, except: Metates , 1600 m, 3.iv.1982, A. Ibarra, 4 females ( CNIN) ; km 10 Pochutla [15.73461, -96.46268], 8.ii.1982, M. Garcia, 1 male ( CNIN) ; same label information, except: A. Ibarra, 1 male ( CNIN) ; km 54 Tuxtepex - Oaxaca [18.07732, -96.14509], 28.iii.1984, H. Delfin, 1 male and 2 females ( CNIN) ; same label information, except: M. Garcia, 1 female ( CNIN) ; 24.ix.1982, A. Ibarra, 1 female ( CNIN) ; km 206 carretera Oaxaca - Pto. Angel, Finca Pacífico [15.95793, -96.46188], 20.x.1990, E. Ramírez, 4 males and 3 females ( CNIN) ; Pto. Eligio Sierra de Juarez [17.57863, -96.67088], 12.ix.1982, A. Ibarra, 4 males and 6 females ( CNIN) ; San Mateo Yetla [17.75678, -96.31665], 20.xi.1990, E. Barrera & A. Cadena, 1 male ( CNIN) ; Valle Nacional San Mateo Yetla [17.75678, -96.31665], 13.x.1990, E. Ramírez, 4 males and 1 female ( CNIN) ; same label information, except: 12.x.1990, 4 males ( CNIN) ; 11-13.ix.1982, A. Ibarra, 1 female ( CNIN) . Puebla. Xicotepec [20.261398, -97.963805], 15.x.2019, C. Pedraza-Lara, S. Rodríguez-González, L. GarcíaVázquez, S. Rodríguez, 4 females (2 CNIN, 2 CARF) . Tamaulipas. Gómez Farías [22.88559, -99.02986], 5.x.1985, 1 male ( CNIN) . Veracruz. Estación Biológica Los Tuxtlas [18.48394, -95.00997], 20.vi.1988, V. Hernández & R. Pérez, 12 male and 8 females ( CNIN) ; same label information, except: 10.vii.1988, 6 males and 11 females ( CNIN) ; 17.ix.1988, 1 male ( CNIN) ; 460 m, 18.ii.1986, P. Sinaca, 1 male and 3 female ( CNIN) ; 460 m, 18.ii.1986, A. Ibarra, 2 males and 2 females ( CNIN) ; 460 m, 18.ii.1986, E. Ramírez, 1 male and 1 female ( CNIN) ; 160 m, 14.ii.1986, A. Ibarra, 2 males and 1 female ( CNIN) ; 460 m, 14.vii.1986, A. Ibarra, 1 male ( CNIN) ; 220 m, 2.v.1986, A. Ibarra, 1 male ( CNIN) ; 480 m, 2.v.1986, A. Ibarra, 2 males ( CNIN) ; 6.ii.1986, P. Sinaca, 1 male and 2 females ( CNIN) ; 6.ii.1986, E. Ramírez, 1 male ( CNIN) ; 5.viii.1985, E. Ramírez, 1 male and 1 female ( CNIN) ; 12.viii.1985, P. Sinaca, 2 females ( CNIN) ; 12.viii.1985, A. Ibarra, 1 male ( CNIN) ; 27.x.1985, E. Ramírez, 1 female ( CNIN) ; 7.x.1985, E. Ramírez, 1 male and 1 female ( CNIN) ; 7.x.1985, P. Sinaca, 2 males and 2 females ( CNIN) ; 28.ii.1985, P. Sinaca, 1 female ( CNIN) ; 6.iii.1985, A. Ibarra, 1 male and 1 female ( CNIN) ; 6.iii.1985, P. Sinaca, 1 male and 6 females ( CNIN) ; 6.iii.1985, E. Ramírez, 1 female ( CNIN) ; 170 m, 14.viii.1985, E. Ramírez, 1 male ( CNIN) ; 170 m, 14.viii.1985, P. Sinaca, 1 female ( CNIN) ; 480 m, 24.iv.1986, P. Sinaca, 1 male ( CNIN) ; 14.iv.1986, A. Ibarra, 1 female ( CNIN) ; 12.iv.1986, E. Ramírez, 1 female ( CNIN) ; 24.ii.1985, H. Velasco, 1 female ( CNIN) ; 10.xii.1984, A. Ibarra, 2 males and 2 females ( CNIN) ; 13.iv.1986, A. Ibarra, E. Ramírez & P. Sinaca, 1 female ( CNIN) ; 17.i.1986, F. Arias, 1 female ( CNIN) ; 22.i.1986, F. Arias, 1 female ( CNIN) ; 23.i.1986, F. Arias, 1 female ( CNIN) ; 9.vii.1988, V. Hernández & R. Pérez, 1 male ( CNIN) ; 12.iv.1986, A. Ibarra, 1 male and 3 females ( CNIN) ; 160 m, 21.ii.1985, E. Ramírez, 1 male ( CNIN) ; 160 m, 23.ii.1985, E. Ramírez, 1 male ( CNIN) ; 13.ix.1985, F. Árias, 1 female ( CNIN) ; 160 m, 18.iv.1985, A. Ibarra, 2 males and 3 females ( CNIN) ; 160 m, 22.ii.1985, E. Ramírez, 1 female ( CNIN) ; 8.x.1985, V. Hernández & E. Ramírez, 3 males and 3 females ( CNIN) ; 160 m, 8.x.1985, V. Hernández & P. Sinaca, 1 female ( CNIN) ; 22.vii.1979, R. Terron, 1 female ( CNIN) ; Tajin [20.42991, -97.38140], 27.vi.1976, J. G. Figueroa, 1 female ( CNIN) ; 12.viii.1992, J. Villa, 1 female ( EBCH) ; 12.viii.1992, E. Ramírez, 1 male and 2 female ( EBCH) ;

Distribution. USA, Mexico (Baja California Sur, Campeche *, Chiapas *, Guerrero *, Jalisco *, State of Mexico *, Morelos *, Oaxaca *, Puebla *, Sonora, Tamaulipas *, Tabasco, Veracruz), Honduras, Nicaragua, El Salvador, Costa Rica, Panama, Colombia, Trinidad and Tobago, Guyana, Ecuador, Bolivia, Brazil ( Sepúlveda & de Carvalho 2016).

Remarks. There are morphological variations in this species: flagellomere ranging from yellow to light brown; dorsal stripe on abdomen present or absent; and a different number of spots on the femora.

Figures

FIGURE 1. Cerantichir enderleini Hennig, 1937, male, dorsal view (A); Eoneria blanchardi Aczél, 1951, female, dorsal view (B); Glyphidops durus (Cresson, 1926), female, dorsal view (C), and male, abdomen (D); Glyphidops filosus (Fabricius 1805), male, head (E); Glyphidops flavifrons (Bigot, 1886), female, abdomen (F), and male, dorsal (G); Nerius plurivittatus Bigot, 1886, male, dorsal (H); Odontoloxozus longicornis (Coquillett, 1904), male, lateral (I). Scale bars: 1 mm.

FIGURE 5. Habitus in lateral view. Glyphidops flavifrons (Bigot, 1886), male (A) and female (B); Nerius plurivittatus Bigot, 1886, male (C) and female (D); and Odontoloxozus longicornis (Coquillett, 1904), male (E) and female (F). Scale bars = 1 mm.

FIGURE 8. Distribution records of Neriidae in Mexico: Cerantichir enderleini Hennig, 1937 and Cerantichir mexicana sp. nov. (A); Eoneria blanchardi Aczél, 1951 and Eoneria ramirezi sp. nov. (B); Odontoloxozus longicornis (Coquillett, 1904) and Odontoloxozus pachycericola Mangan & Baldwin, 1986 (C); Glyphidops durus (Cresson, 1926) and G. filosus (Fabricius, 1805) (D); G. flavifrons (Bigot, 1886) and G. xanthopus (Schiner, 1868) (E); Nerius pilifer Fabricius, 1805, N. plurivittatus Bigot, 1886, and N. purpusianus Enderlein, 1922 (F). Circle= literature records. Star= new records.