Laneella fusconitida Whitworth, 2019

Whitworth, Terry L. & Yusseff-Vanegas, Sohath, 2019, A revision of the genera and species of the Neotropical family Mesembrinellidae (Diptera: Oestroidea), Zootaxa 4659 (1), pp. 1-146 : 24-27

Laneella fusconitida Whitworth , sp. nov.

( Figs 3, 11, 15–16, 105–106, 195, 239, 282, 326, 370, 411, 455, 488)

Diagnosis. A fairly large shiny brown fly averaging 12 mm (11–13/5) in length ( Fig. 455). Basal half of tarsal claws dark orange, brown or black ( Fig. 11). vs. pale in L. nigripes and L. perisi ( Fig. 10); abdomen shiny brown, compared to bluish-purple in the similar L. patriciae ; all femora orange vs. with apices dark brown in L. patriciae ; wing with distinct brown macula around crossvein r-m ( Fig. 3), similar to L. patriciae ; section IV 0.25 of section III. Epandrium, cerci and surstyli as in Fig. 15. Female with tuberform spermathecae ( Fig. 370).

Description. Male. Head. Frons narrow, 0.012 (0.010 –0.015 /5) of head width at narrowest, about equal to width of base of arista; fronto-orbital slender and pale orange; frontal setae ascending about 30% of distance to ver- tex; lower 1/3 of frontal vitta orange, upper 2/3 obliterated; parafacial pale yellow and narrow above, wider below; gena orange with horizontal row of short, dark setae; postgena orange with long golden setae; occiput with silvery tomentum and weak golden setae; median occipital sclerite shiny orange; first flagellomere and pedicel orange; palpus typical; eye with median facets about 3x size of lateral eye facets; ocellar triangle small, ocelli about equal in size; supravibrissal setae only in basal 1/6 of facial ridge.

Thorax. Dorsum brown to reddish-brown with two broad irregular whitish tomentose stripes; pleura orange; chaetotaxy: ac 2:3, dc 2:3, ia 1, ph 1, ppn 3x 3, kat 2:1, meral setae very fine brown, 1 pair converging ap, 1 sa, 2 lat, 1 stout bas, 1weak pb, 1 disc subscutellum weakly developed; spiracles orange and medium-sized. Legs: femora orange, tibiae and tarsi tan; tarsal claws with basal 2/3 orange and tips black. Wing faintly yellowish, darker along costa; crossvein r-m surrounded by small dark brown spot ( Fig. 3); subcostal sclerite without setae, with heavy pubescence; basicosta orange, tegula tan; section IV 0.25 of section III; calypters tan; rim of upper calypter dark with short reddish setae, rim of lower calypter brown with long reddish setae.

Abdomen. T1+2 and anterior half of T3 orange; posterior half of T3 and all of T4 brown; T5 dark brown; T4–5 with row of stout setae on rear margin; disc of T5 without row of stout setae, whole segment with short fine setae; T3 with cluster of lateral setae. Terminalia similar to those of other Laneella in lateral view ( Fig. 15); in posterior view cerci more slender than in other species ( Fig. 16); phallus in lateral view as in Fig. 105; in dorsal view, hypophallic lobes rounded, similar to other Laneella ( Fig. 106); T6, STS7+8, pre- and postgonite, ejaculatory sclerite and ST6 as in Fig. 195, ST1–5 as in Fig. 239.

Female. Similar to male except frons 0.272 (0.26–0.28/5) of head width at narrowest. T6 of FU shape, narrowed medially; T7 bilobed, with deep indentation posteriorly, similar to L. perisi ; T8 as separate sclerites lateral to base of cerci ( Fig. 282); ST6–8 and hypoproct as in Fig. 326; spermathecae tuberform ( Fig. 370); ST1–5 as in Fig. 411.

Type material. HOLOTYPE ³ * ( Costa Rica , San José; LACM; Fig. 455), labeled: COSTA RICA: San José Zurquí de / Moravia. Tower path. 10.05°N / 84.02°W. 1600 m. 2–9 AUG 2013. / Fish bait trap, ZADBI-996. #107515 ; HOLOTYPE / Laneella / fusconitida / T.L. Whitworth.

ALLOTYPE ♀: Costa Rica, San José. Zurquí de Moravia, North Pasture , 1600 m, 28.ii.2013, bait trap with fish, ZADBI-512 #106177 ( LACM).

PARATYPES: Costa Rica, Cartago. 1 ³*, Paraiso, P.N. Tapanti, 1600 m, 2–4.xii.2012, Malaise trap, ZADBI- 331 #106167 ( LACM) ; 1 ³, same data except 10–17.ii.2013, ZADBI-508 #106173 ( LACM) . Guanacaste. 1 ♀, P.N. Volcan Tenorio, 1650 m, 4.xi.2003 – 15.ii.2014, Malaise trap, L_N_295100 424600 #76952, J. Azofeifa ( INBIO) . Puntarenas. 1 ♀, Monteverde , 20–24.vi.1986, D.J. Keller ( LACM) ; 1 ♀ *, 1 ♀, same data except 20–25.viii.1991, 1500 m, D.M. Wood ( CNC) . San José. 1 ³*, 1 ³, 1 ♀, Zurquí de Moravia, Tower path, 10.05°N 84.02°W, 1600 m, 2–9.viii.2013, fish bait trap, ZADBI-996 #107515 ( LACM) ; 1 ³, same data except 1600 m, 17–23.xi.2012, Malaise trap #2, ZADBI-245 #105453 ( LACM) ; 1 m, 1 ♀, same data except 10–17.v.2013, Malaise trap #4, ZADBI-745 #106771 ( LACM) ; 1 ♀ *, same data except 5–12.vii.2013, emergence trap over dry branches, ZADBI-920 ( LACM) ; 1 ♀ ♦ ( TLW305 ) , same data except 16–23.iv.2013, ZADBI-1087 #107689 ( LACM) ; 1 ³*, Zurquí de Moravia, Creek 2 north, 18–25.iv. 2013, 250 m, Malaise trap, ZADBI-512, 105944 ( LACM) ; 1 ♀, 1 ³ ♦ ( TLW302 ) , Zurquí de Moravia , creek 2, 1600 m, 22.x.2012, ZADBI-158 #105267 ( LACM) ; 1 ³, 1 ♀, Zurquí de Moravia, creek 2 North , 1600 m, 3–10.v.2013, Malaise trap #2, ZADBI-716 #106721 ( LACM) ; 1 ³, same data except 26.vii–2.viii.2013, ZADBI- 970 ( LACM) ; Zurquí de Moravia , 1600 m, 21.x.2012, #105240, Bait trap with human dung, ZADBI ( LACM) ; 4 ³³, Zurquí de Moravia, creek 2 North , 23–30.viii.2013, Malaise trap #2, ZADBI-1094 #107696 ( LACM) ; 1 ♀ *, 1 ♀ ♦ ( TLW301 ) , 1 ♀, Zurquí de Moravia, North Pasture , 1600 m, 28.ii.2013, bait trap with fish, ZADBI-512 #106177 ( LACM) ; 1 ♀, Zurquí de Moravia , end path tower, 1600 m, 21.x.2012, bait trap with chicken, ZADBI-128 #105232 ( LACM) ; 2 ♀♀, Est. Zurquí , 500 m antes de Tunel, 1600 m, iv.1991, L_N_226800 535200, G. Maass ( INBIO) ; 1 ♀, Zurquí de Moravia , creek 2, 21.x.2012, bait trap with chicken, ZADBI-129 #105233 ( LACM) ; 1 ♀, Zurquí de Moravia , tower path, 1600 m, 14–21.vi.2013, Malaise trap #4, ZADBI-862 #107012 ( LACM) ; 1 ♀, same data ex- cept 12–19.iv.2013, ZADBI-713 #106718 ( LACM) ; 2 ♀♀ ♦ ( TLW303–304 ) , Zurquí de Moravia, Tower path, 1600 m, 5–12.vii.2013, emergence trap over dry branches 30 m, ZADBI-920 #107168 ( LACM) . Ecuador, Napo. 1 ♀, Rio Azuela, bei Reventador , 1600 m, 8–11.vi.1977, W. Schacht ( NHMUK) . Venezuela, Aragua. 1 ³, Rancho Grande , 18–27.ii.1971, 1100 m, G. & M. Wood ( CNC) ; 1 ³, same data [but no elevation] except 20.ix.1973, B. Villegas ( UCDC) ; same data except 1.vi.1981, A. Field ( MIZA) . Pinchincha. 2♀, Bellavista Cloud Forest Res., 0°4ʹ13ʺS 78°40ʹ30ʺW, 2200 m, 9–13.v.2009, at light, S. Luc ( UGG) .

Additional material examined. Costa Rica, Cartago. 1 ³, 2 ♀♀, Paraiso, P.N. Tapanti , 1600 m, 30.xii.2012 – 6.i.2013, Malaise trap, ZADBI-502 #106167 ( LACM) ; 1 ³, same data except 10–17.ii.2013, ZADBI-508 #106173 ( LACM) ; 1 ♀, P.N. Tapanti, Rio Dos Amigos, A.C. Amistad , 1480 m, iii.1994, L_N_187600 560250 #2782, G. Mora, A. Solis, E. Ulate ( INBIO) ; 1 ♀, Quebrada Segunda Ref. Nac. Fauna Silv. Tapanti, 1250 m, iv.1992, L_N_ 194000 560000, R. Vargas ( INBIO) . Puntarenas. 1 ♀, Est. Pittier Sendero Altamira , 900 m, NO. de la Estación, 1700–1740 m, 4.x.1995, L_S_331500 576800 #7413, M. Moraga ( INBIO) ; 1 ♀, Est. Pittier, Rio Gemelo , 700 m E de la Estación, 1600 m, 2–8.i.1996, Malaise, L _S_330900 578000 #8418, M. Moraga ( INBIO) ; 1 ♀, Est. La Ca- sona, 1520 m, Res. Biol. Monteverde , iv.1992, L_N_253250 449700, N. Obando ( INBIO) ; 1 ♀, same data except 1500 m, vi.1991, L_N_253250 449700 #1714 ( INBIO) ; 1 ♀, Monteverde , 20–24.vi.1986, D.J. Keller ( LACM) ; 2 ♀♀, same data except 20–25.viii.1991, 1500 m, D.M. Wood ( CNC) . San José. 2 ³³, Zurquí de Moravia, Tower path, 10.05°N 84.02°W, 1600 m, 2–9.viii.2013, fish bait trap, ZADBI-996 #107515 ( LACM) ; 1 ³, 1 ♀, same data except 9–16.viii.2013, ZADBI-1022 #107541 ( LACM) ; 1 ³, 1 ♀, Zurquí de Moravia , creek 2, 21.x.2012, bait trap with chicken, ZADBI-129 #105233 ( LACM) ; 1 ³*, same data except 1600 m, 18–25.i.2013 ( LACM) ; 2 ♀♀, same data except 22.x.2012, ZADBI-158 #105267 ( LACM) ; 1 ³, 4 ♀♀, Zurquí de Moravia, creek 2 North , 1600 m, 3–10.v.2013, Malaise trap #2, ZADBI-716 #106721 ( LACM) ; 1 ³, same data except 29.xi.2012 – 7.xii.2012, ZADBI-276 #105534 ( LACM) ; 1 ³, 4 ♀♀, Zurquí de Moravia, North Pasture , 1600 m, 28.ii.2013, bait trap with fish, ZADBI-512 #106177 ( LACM) ; 1 ♀, same data except 17–23.xi.2012, ZADBI-245 #105453 ( LACM) ; 1 ♀ *, 3 ♀♀, Zurquí de Moravia, Tower path, 1600 m, 5–12.vii.2013, emergence trap over dry branches 30 m, ZADBI- 920 #107168 ( LACM) ; 1 ♀, same data except 16–23.viii.2013, emergence trap over leaf litter 75 m, ZADBI-1087 #107689 ( LACM) ; 1 ♀, Est. Zurquí 500 m antes de Tunel, 1600 m, iv.1991, L_N_226800 535200, G. Maass ( INBIO) ; 1 ♀, Zurquí de Moravia , 1600 m, x–xii.1989, P. Hanson ( INBIO) ; 2 ♀♀, Zurquí de Moravia , creek 2, 1600 m, 10–17.xi.2012, Malaise trap #2, ZADBI-209 #105399 ( LACM) ; 1 ♀, same data except 29.xi–7.xii.2012, ZADBI-276 #105534 ( LACM) ; 2 ♀♀, same data except 3–10.v.2013, ZADBI-716 #106721 ( LACM) ; 1 ♀, Zurquí de Moravia, Tower path, 1600 m, 5–12.vii.2013, emergence trap over dry branches 30 m, ZADBI-920 #107168 ( LACM) ; 1 ♀, same data except 100 m, 12–19.vii.2013, emergence trap over leaf litter, ZADBI-941 #107260 ( LACM) ; 1 ♀, Zurquí de Moravia , creek 2, 21.x.2012, bait trap with chicken, ZADBI-129 #105233 ( LACM) ; 1 ³, same data except 26.vii.2013 – 2.viii.2013, ZADBI-970 #107489 ( LACM) ; 5 ♀♀, Zurquí de Moravia, Tower path, 1600 m, 10–17.v.2013, Malaise trap #4, ZADBI-745 #106771 ( LACM) ; 1 ♀, Zurquí de Moravia , creek 2 north, 1600 m, 17–24.v.2013, Malaise trap #2, ZADBI-775 #106801 ( LACM) ; 3 ♀♀, Zurquí de Moravia, Tower path, 1600 m, 14–21.vi.2013, Malaise trap #4 250 m, ZADBI-862 #107012 ( LACM) ; 1 ♀, same data except emergence trap over vegetation 50 m, ZADBI-867 #107017 ( LACM) ; 2 ♀♀, same data except emergence trap over dry branch- es 300 m, ZADBI-864 #107014 ( LACM) ; 2 ♀♀, Zurquí de Moravia , end path tower, 1600 m, 21.x.2012, bait trap with chicken, ZADBI-128 #105232 ( LACM) ; 3 ♀♀, Zurquí de Moravia , tower path, 1600 m, 26.vii–2.viii.2013, emergence trap over dry branches 300 m, ZADBI-981 #107500 ( LACM) ; 1 ♀, Zurquí de Moravia , creek 1, 1600 m, 14–21.xii.2012, emergence trap over vegetation 50 m, ZADBI-345 #105667 ( LACM) . Ecuador, Pichincha. 1 ♀, Bellavista Cloudforest Reserve 0°00’55.77ʺN 78°40ʹ49.73ʺW, 2200–2300 m, Tropical Cloudforest General col- lecting, 24–26.vii.2007, CPDT Gillett ( NHMUK) . Venezuela, Aragua. 1 ³, Rancho Grande , 1100 m, 1.vi.1981, A. Field ( MIZA) ; 1 ³, same data except 20.ix.1973, B. Villegas ( UCDC) .

Distribution. Costa Rica, Ecuador, Venezuela.

Remarks. This species was the most common mesembrinellid collected in the Zurquí de Moravia area of San José Province, Costa Rica. Five specimens ( TLW 301–305) were barcoded and formed a distinct cluster ( Fig. 488). This species is closely related to L. patriciae , which is found in Colombia ( Marinho et al. 2017); barcodes show that there is 3.48% genetic difference between the two species.

Etymology. The species name fusconitida is a combination of the Latin fusco (brown) and nitida (shining), which in combination describe the body color of this species.