Apocephalus holdenae, Brown, Brian V., 2014

Brown, Brian V., 2014, Revision of the Apocephalus analis group of ant-decapitating flies (Diptera: Phoridae), Zootaxa 3857 (4), pp. 551-570 : 552-553

Apocephalus holdenae new species

( Figs. 9, 13 )

Diagnosis. This species can be recognized by the ventromedial sclerotized patch on abdominal segment 6, but lacks a setal comb or greatly enlarged, thornlike setae.

Description. Body length 1.4-1.8 mm. Frons 0.44 head width, range 0.43–0.44. Flagellomere 1 round, light brown. Pleuron whitish yellow. Costa 0.55 wing length, range 0.54–0.56. Halter light brown. Abdominal tergites light brown, normal sized. Tergite 6 yellowish-brown, about as broad as tergite 5, entire, apical margin straight, posterior margin with small setae. Venter of abdomen yellowish brown, dark grey near tergites, venter of segments 3–5 with scattered thin setae, venter of intersegment 6–7 membranous, setae absent. Venter of segment 6 with small sclerotized patch around setae; with row of lateral setae on sclerotized patch; otherwise with shorter dense setae; laterally with longer setae. Oviscape elongate oval, large lateral setae absent. Dorsum of oviscape with row of posterolateral setae. Apex roundly pointed, downturned, with few small apical setae. Ventral setae of oviscape absent. Intersegment 7–8 without sclerotization. Stylet as in A. analis ( Fig. 50 ).

Distribution. Eastern Colombia.

Derivation of specific epithet. Named for Ms. Anna Holden, one of the members of the LACM Entomology team.

Holotype. ♀, COLOMBIA: Vichada: PNN El Tuparro, B. de Sabana, 5.35°N, 67.85°W, 18–28.viii.2000, W.Villalba, CAP-517, Malaise trap (IAVH) [LACM ENT 187480].

Paratype. ♀, COLOMBIA: Vichada: Rio Tomo, PN El Tuparro, 5.35°N, 67.85°W, 250m, 12–22.x.2001, W.Villalba, Malaise trap, CAP-1796 (LACM).

Figures

FIGURES 9 – 16. Female abdomens. 9 – 12. Ventral. 13 – 16. Posterior.

FIGURES 43 – 51. Stylets, dorsal.