Hurleyella brooksi Runyon & Robinson, 2010

Runyon, Justin B. & Robinson, Harold, 2010, Hurleyella, a new genus of Nearctic Dolichopodidae (Diptera), Zootaxa 2400 (1), pp. 57-65 : 63

Hurleyella brooksi Runyon & Robinson , sp. nov.

Description: Very similar to H. cumberlandensis , showing only the following differences:

Head: face with ventral half not as narrow (narrowest width approximately equal to width of first flagellomere), and more obviously widened toward palpus. Ochre pollen on frons and dorsal postcranium not as dense.

Legs: coxae concolorous with pleura, but more yellowish in some specimens. Ratios of tibia: tarsomeres for leg I: 10–5–3–2–2–2; for leg II: 14–8–4–3–2–2; for leg III: 14–5–4–3–2–2.

Abdomen: epandrial lobe with seta at apex only about one-third as long as seta near base (in H. cumberlandensis apical seta at least one-half length of basal seta). Surstylus ( Fig. 5C ) with 3 large blade-like setae directed medially ( H. cumberlandensis has 2 large setae - the third seta is very small); the flange of surstylus is very broad and rounded apically ( Fig. 5C ).

Female: Similar to male.

Etymology: Named in appreciation of the dipterist Scott Brooks, who recognized and sent us the specimens of this species.

Holotype: ♂, TEXAS: Brazos Co., College Station, Lick Creek Park , bottomland forest near creek, malaise trap, 28–30 March 2000, M. Buck ( DEBU).

Paratypes: 1 ♂, same data as holotype except 26–28 March 2000 ; 1 ♂, same data as holotype except 5–9 April 2000 ; 1 ♀, same data as holotype except “post oak savanna by creek”, 26–28 March 2000 ( CNC, DEBU) .

Remarks: Hurleyella brooksi is very similar to H. cumberlandensis , but differs most noticeably in having a wider face and in the form of the surstylus.

Figures

FIGURE 5. Hurleyella, genitalia. A. H. cumberlandensis, hypopygium, right lateral view; B. H. cumberlandensis, hypopygium, ventral view; C. H. brooksi, surstylus, vental view Abbreviations: da epd—dorsoapical margin of epandrium, epd—epandrium, fsur— lateroapical flange of surstylus, hypd—hypandrial, S8— abdominal sternite 8.