Strongylophthalmyia pappi Evenhuis

Evenhuis, Neal L., 2016, World review of the genus Strongylophthalmyia Heller (Diptera: Strongylophthalmyiidae). Part I: Introduction, morphology, species groups, and review of the Strongylophthalmyia punctata subgroup, Zootaxa 4189 (2), pp. 201-243 : 233-234

Strongylophthalmyia pappi Evenhuis , n. sp. ( Figs. 33 , 41 , 58 , 73 , 79 )

Strongylophthalmyia punctata: Papp in Papp et al. 2006: 165 (misidentification).

Diagnosis. Among the cluster of species possessing an anepisternal tuft of hairs and an S-shaped dorsal antennal process, this new species is similar to S. punctata Hennig on the basis on the black anterior thoracic color, but it can be distinguished from it by the black mid femur and tibia (these segments yellow in S. punctata ) and the yellowish brown propleuron (brown in S. punctata ).

Description. Lengths. Ƌ: body, 3.2–3.4 mm; wing, 3.2–3.4 mm. Male. Head: globular, shining black; face black; gena black, gray pollinose, row of short black hairs ventrally; clypeus thin, brown; palpus subtriangular with slightly rounded apex, yellowish white with fine admixed white and black hairs ventrally and apically; proboscis black.

Antenna ( Fig. 33 ) brown, yellow only on basomedial portion of flagellomere; flagellomere bean-shaped, rounded apically, longer than wide, clothed with white hairs, with long, slender, sinuous brown dorsal process densely clothed with white hairs, two times length of flagellomere; arista two-thirds length of dorsal process, styliform, bare.

Thorax ( Fig. 41 ): shining black; mesonotum and scutellum sparsely clothed with short black hair-like setulae; propleuron yellowish brown, anepisternum with tuft of silvery white hairs medially, a few minute white hairs along prealar suture; katepisternum with white hairs ventrally near mid coxa.

Wing: hyaline; vein R2+3 nearly straight, ending in costa well beyond level of crossvein dm-cu; crossvein r-m before middle of cell dm; veins R4+5 and M1+2 parallel distally; crossvein dm-cu sloping toward CuA1; last section of CuA1 to wing margin two-thirds length of dm-cu; halter white.

WIP ( Fig. 58 ): blue basally becoming darker and purple-colored in distal portion of radial field; brassy colored posteriorly and distally in medial field; anal lobe with thin band of blue-green and purple basally, otherwise, brassy green.

Legs: fore and mid legs yellow; hind femur black with yellow at extreme base; hind tibia black, yellow at extreme apex; fore coxa with 5 long yellowish hairs; fore femur ( Fig. 73 ) dorsally with 3 strong short thorn-like spicules; hind femur with minute button-like process basomesally; tarsi white; hind basitarsus ( Fig. 79 ) with row of scale-like setae mesally.

Abdomen: tergite I brown, weakly sclerotized medially; tergites II–VI black; sternites black.

Male genitalia. Not dissected; epandrium and surstylus shining black, with admixed yellow and black hairs; cerci brown, narrow basally, flared and rounded apically, with white and black hairs.

Female. Unknown.

Material examined. Holotype ♂ and paratype ♂ from THAILAND: Nan Province: Ban Na Lae, near Pua [19.189012°N, 100.921118°E], 5 Nov 2004, over rocky forest brook, L. Papp, M. Földvári, No. 19. Other paratypes : THAILAND: 3♂, Mae Fang National Park [19.997319°N, 99.142238°N], 1 Nov 2004, L. Papp, M. Földvári, No. 14 ( HNHM, BPBM). Holotype deposited in the Hungarian Museum of Natural History . Paratypes in HNHM and BPBM.

Distribution. Thailand.

Etymology. This species is named for Dr. Laszlo Papp of the Hungarian Museum for his contributions to the knowledge of this family of flies in Thailand.

Figures

FIGURES 26 – 33. Male Strongylophthalmyia, antennae. 26. S. laosensis, n. sp., arrow points to short dorsal antennal process; 27. S. lowi, n. sp.; 28. S. malayensis, n. sp.; 29. S. microstyla Shatalkin, arrow points to minute dorsal antennal process; 30. S. nigricornis Frey; 31. S. nigripalpis, n. sp., arrow points to minute dorsal antennal process; 32. S. palpalis Papp, photo: courtesy HNHM, arrow points to minute dorsal antennal process; 33. S. pappi, n. sp.

FIGURES 38 – 41. Male Strongylophthalmyia, thoraces, left lateral view. 38. S. hauseri, n. sp.; 39. S. lowi, n. sp.; 40. S. nigripalpis, n. sp.; 41. S. pappi, n. sp.

FIGURES 54 – 61. Male Strongylophthalmyia, right wing, dorsal view, Wing Interference Patterns. 54. S. immaculata Hennig; 55. S. lowi, n. sp.; 56. S. malayensis, n. sp.; 57. S. microstyla Shatalkin; 58. S. pappi, n. sp.; 59. S. sumatrana, n. sp.; 60. S. thaii Papp; 61. S. thailandica, n. sp.

FIGURES 70 – 77. Male Strongylophthalmyia, fore femur, left lateral view. 70. S. microstyla Shatalkin,, arrow points ventral thorn-like seta; 71. S. nigripalpis, n. sp., arrow points to tight thorn-like cluster of setae; 72. S. palpalis Papp, holotype, photo: courtesy HNHM, arrow points to tight thorn-like cluster of setae; 73. S. pappi, n. sp.; 74. S. punctata Hennig, holotype; 75. S. spinosa Frey, holotype, photo: courtesy MZH; 76. S. thaii Papp; 77. S. thailandica, n. sp.

FIGURES 78 – 81. Male Strongylophthalmyia, legs. 78 – 80. Hind basitarsi. 78. S. microstyla Shatalkin; 79. S. pappi, n. sp.; 80. S. papuana Iwasa & Evenhuis [NB: the scales along the right-hand margin of the basitarsus in the photo are Lepidoptera scales from the Malaise-trapped collecting of this specimen and not to be confused with the orange-colored scale-like setae of the basitarsus]; 81. S. papuana Iwasa & Evenhuis, base of hind leg, showing minute papillate protuberances on trochanter and base of femur.