Craspedochaeta synneura ( Hennig, 1938 )

Lonsdale, Owen & Marshall, Stephen A., 2006, Revision of the New World species of Craspedochaeta (Diptera: Clusiidae), Zootaxa 1291 (1), pp. 1-101 : 48-49

Craspedochaeta synneura ( Hennig, 1938)

( Figs. 20 , 25 , 55, 56 , 59, 60 , 70 , 114 , Map 9)

Czernyola synneura Hennig, 1938: 132 .

Redescription ( Fig. 20 , 25 )

Body length 3.0– 3.3 mm. Bristles yellow (including bristles on basal section of costa). Acrostichal bristle present. Scutum with wide cruciate pattern, sometimes interrupted medially; notopleuron sometimes brown. Scutellum and laterotergites brown. Pleuron yellow with brown vertical stripe in posterodorsal corner of anepisternum. Legs light yellow to white. Head largely yellow; frons sometimes orange posteriorly; face, parafacial, gena and occiput white; face sometimes brown on upper 2/3; ocellar spot brown; parafacial and gena silvery tomentose. Abdomen brown with tergite 1 and central emargination on tergite 2 yellow, and with surstylus and cerci white. Wing clouded from costa to M 1 on distal 1/3 and lightly around crossveins; distance between crossveins not more than length of posterior cross­vein.

Female

Externally as described for male except terminalia yellow.

Male terminalia ( Figs. 55, 56 , 59, 60 , 114 )

As described for C. pleuralis except as follows: surstylus ¾ height of cerci, pointed and slightly arcuate; distiphallus stout and 2/3 as long.

Female genitalia ( Fig. 70 )

Spermatheca tapered apically, very weakly sclerotized with width 0.2 times length.

Spermathecal duct very short and not well differentiated from spermatheca. Ventral receptacle small and spherical. Subterminal flagellum nearly five times length of ventral receptacle.

Distribution: Bolivia, Brazil, Costa Rica, El Salvador, Panama, Trinidad (Map 9).

Holotype: BOLIVIA. Mapiri, S. Caros, 800m, 4.i.1903, Schnuse (1♂, SMTD).

Additional material examined: BOLIVIA. Santa Cruz , 5km SSE Buena Vista, 440m , 17°29.925’S, 63°39.128’W, 24–31.xii.2003, S.&J. Peck, forest, FIT (1♀, CBFC) . BRAZIL. Rondonia: 62km SE Ariquemes , W.J. Hanson , 7–18.xi.1995 (1♀, EMUS) , Dist. Fed. Planaltina , 1000m, cerradao, Malaise trap, S.E. Miller , 24.ix–6.x.1985 (1♀, USNM) , 6–25.x.1985 (1♀, USNM) . COSTA RICA. Higuito , San Mateo, P. Schild (1♂, USNM) , La Suiza, P. Schild, ix.1924 (1♂, USNM) , x.1923 (1♂, USNM) , Alajuela: 20km S Upala , F.D. Parker , 12–13.vi.1991 (1♂, EMUS) , 1–15.xi.1990 (1♂, EMUS) , 10–13.ix.1990 (1♂, EMUS) , 13.xi.1990 (1♀, EMUS) , 10–21.v.1991 (1♀, EMUS) , 8.xi.1990 (1♂, EMUS) , 11.xii.1990 (11♂, EMUS) , vi.1990 (1♂, EMUS) , Guanacaste: 3km SE R. Naranjo, F.D. Parker , 1.xi.1991 (1♂, EMUS) , 6.ix.1992 (1♀, EMUS) , 22.x.1992 (1♀, EMUS) , 21–28.xii.1992 (1♀, EMUS) , 18–28.iv.1993 (1♂, EMUS) , 21–31.vii.1992 (2♀♀, EMUS) , 1–10.viii.1992 (1♀, EMUS) , 24–31.x.1991 (1♀, EMUS) , 14km S Canas , F.D. Parker , 13–22.viii.1990 (1♂, EMUS) , 24–31.viii.1990 (1♀, EMUS) , Puntarenas: Pen Osa, Puerto Jimenez , 10m, P. Hanson , i.1991 (1♀, INBC) , xi.1991 (1♀, DEBU) , v.1991 (1♂, EMUS) , San José: Escazu, F.D. Parker , 25–29.vii.1988 (1♂, EMUS) . EL SALVADOR. San Salvador, 10.vi.1958, O.L. Cartwright (1♂, USNM) . PANAMA. Barro Colarado Isl. , E.C. Broadhead , vii.1979 (1♂, BMNH) . TRINIDAD. Simla Res. Sta ., 2–15.vi.1981, Hanson & Clemens (1♀, EMUS) .

Figures

FIGURES 10–23: Head and thorax, dorsal colouration of the New World Craspedochaeta without an entirely dark notum; 10: C. xanthonotum spec. nov.; 11: C. festiva (Sóos, 1962); 12: C. loreto spec. nov.; 13: C. trivittata (Sóos, 1962); 14: C. weemsi spec. nov.; 15: C. pacaraima spec. nov.; 16: C. candida spec. nov.; 17: C. apsilutea spec. nov.; 18: C. ornata (Hennig, 1938); 19: C. transversa Czerny, 1903; 20: C. synneura (Hennig, 1938); 21: C. pleuralis (Williston, 1896); 22: C. pollostos spec. nov; 23: C. chela spec. nov, male.

FIGURES 24–26: Left wing, ventral (arrows indicate diagnostic characters mentioned in the key); 24: Craspedochaeta pleuralis (Williston, 1896); 25: C. synneura (Hennig, 1938); 26: C. transversa Czerny, 1903.

FIGURES 53–58: Male terminalia, external: Figs. 53–54: Craspedochaeta transversa Czerny, 1903; Fig. 53: left lateral; Fig. 54: posterior; Figs. 55–56: C. synneura (Hennig, 1938); Fig. 55: left lateral; Fig. 56: posterior; Figs. 57–58: C. pleuralis (Williston, 1896); Fig. 57: left lateral; Fig. 58: posterior.

FIGURES 59–60: Labeled hypandrial complex of Craspedochaeta synneura (Hennig, 1938); Fig. 59: left lateral; Fig. 60: anterior.

FIGURES 67–70: Internal female genitalia; Figs. 67: Craspedochaeta pleuralis (Williston, 1896); Figs. 68: C. pollostos spec. nov.; Figs. 69: C. weemsi spec. nov.; Figs. 70: C. synneura (Hennig, 1938).

FIGURES 113–114: Annuli, left posterolateral view: 113: Craspedochaeta annulipes (Johnson, 1913); 114: C. synneura (Hennig, 1938).