Hemilea totu David, Hancock & Sachin, 2020

David, K. J., Hancock, D. L., Sachin, K. & Sankararaman, H., 2020, A new species of Hemilea Loew and two new records of Trypetini (Diptera Tephritidae: Trypetinae) from India, Zootaxa 4896 (4), pp. 571-576 : 573-574

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https://doi.org/ 10.11646/zootaxa.4896.4.8

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Hemilea totu David, Hancock & Sachin

sp. nov.

Hemilea totu David, Hancock & Sachin View in CoL , sp. n. ( Figures 1–9 View FIGURE 1 View FIGURES 2–6 View FIGURES 7–9 )

Description: Male: length of body, 4.04 mm. ( Figure 1 View FIGURE 1 )

Head ( Fig. 2 View FIGURES 2–6 ): Frons dark fuscous with 3 frontal setae (distance between third and second pair 2 times distance between first and second pair), 1 orbital seta, 1 medial vertical and 1 lateral vertical seta present. Ocellar triangle black with well developed ocellar seta; postocellar seta present; postocular setae thin, black. Face concave, fulvous without any markings. Antenna shorter than face, dark fuscous, arista short pilose. Gena narrow, fulvous, with genal seta present.

Thorax ( Figs 3, 5 View FIGURES 2–6 ): reddish brown with irregular dark brown markings except for yellow postpronotal lobe and anepisternal stripe extending from postpronotal lobe to wing base laterally. Thorax with well developed chaetotaxy: 2 scapular setae, 1 presutural supra-alar seta, 1 anterior notopleural seta, 1 posterior notopleural seta, 2 anepisternal setae, 1 anepimeral seta, 1 postsutural supra-alar seta, 1 dorsocentral seta at level of postsutural supra-alar seta, 1 postalar seta, and 1 prescutellar acrostichal seta. Scutellum and subscutellum concolorous with scutum, 2 pairs of scutellar setae. Haltere fulvous.

Legs ( Fig. 5 View FIGURES 2–6 ): all segments fulvous, fore femora with row of 5‾6 elongate ventral spines; middle tibia with ventro-apical black spine.

Wing (5.18 mm) dimidiate ( Fig. 6 View FIGURES 2–6 ); with broad dark brown band covering more than half width of wing, including pterostigma, cells c, r 1 except small marginal triangular hyaline area at apex of vein R 1, r 2+3, r 4+5 except small posterior subapical hyaline indentation, br, bm, bcu, anterobasal 0.60 and narrow anterodistal corner of cell dm, and basal 0.25 of cu 2. Cell bc pale brown.

Abdomen: glossy black, oval in shape ( Fig. 4 View FIGURES 2–6 ).

Male genitalia: Epandrium quadrate; lateral surstylus elongate (0.25 mm), anterior lobe sclerotised, posterior lobe weakly sclerotised ( Figs. 7, 8 View FIGURES 7–9 ); medial surstylus shorter than lateral surstylus and with 2 apical prensisetae (medial one longer than lateral). Proctiger weakly sclerotised, as high as epandrium. Phallus elongate (1.81 mm long inclusive of glans); glans 0.39 mm long, well sclerotised, with elongate hexagonal pattern on dorsal sclerite, basal sclerite with peg-like projections, preglans lobe present ( Fig. 9 View FIGURES 7–9 ).

Type material: Holotype ³, INDIA, Himachal Pradesh, Shimla , IARI, Sub-station, Totu, 18.viii.2019, David K.J., resting on leaves of Vitis vinifera (NBAIR) .

Etymology: The species name is a noun in apposition and refers to the type locality.

Remarks: This species is similar to Hemilea malaisei Hering in wing pattern but has a reddish brown rather than blackish brown scutum, no black spot on the anepimeron, a brown rather than black mediotergite and a shorter brown band at the apex of cell dm that does not cover the entire dm-cu crossvein. A female recorded from Kashmir by Mir et al. (2017) has a large, rounded hyaline posterocentral spot in cell r 4+5 similar to that of H. malaisei , but the reddish yellow scutum, lack of a dark anepisternal spot, and other differences from H. malaisei in wing markings suggest it is probably the female of H. totu .


Indian Agricultural Research Institute













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