Chrysotus mccreadiei Runyon & Capellari, 2018

Runyon, Justin B. & Capellari, Renato S., 2018, Palpi aplenty: new species in the Chrysotus longipalpus species group (Diptera: Dolichopodidae), Zootaxa 4399 (4), pp. 579-585 : 581-582

publication ID

https://doi.org/10.11646/zootaxa.4399.4.8

publication LSID

lsid:zoobank.org:pub:283F80BF-CD7A-4A7E-AE24-C58353217098

DOI

https://doi.org/10.5281/zenodo.5968917

persistent identifier

https://treatment.plazi.org/id/FC023592-3376-4C13-9E48-2491F7013330

taxon LSID

lsid:zoobank.org:act:FC023592-3376-4C13-9E48-2491F7013330

treatment provided by

Plazi

scientific name

Chrysotus mccreadiei Runyon & Capellari
status

sp. nov.

Chrysotus mccreadiei Runyon & Capellari , sp. nov.

( Figs 3 View FIGURES 1–4 , 6 View FIGURE 6 )

Description. Male. Body length, 1.5 mm. Wing length, 1.2 mm, width, 0.5 mm. Head. Frons dark brown with violet reflections, ventral half covered with dense silver pollen; antenna yellow; face yellow, about 1 ommatidium wide near middle; proboscis yellow with yellow setae; palpus ( Fig. 3 View FIGURES 1–4 ) large, yellow, oblong, rather uniformly covered with about 15 black setae, broadest before middle with apex narrowed, slightly thickened, black (ratio tibia I:palpus, 24:24) ( MSSC). Thorax. Mesonotum and scutellum brown to green with metallic violet reflections; mesopleuron brown with silver-blue pruinosity. Wing. Halter yellow, calypter yellow. Legs. I: 18, 20, 12, 5, 4, 3, 2. II: 25, 26, 14, 6, 4, 3, 2. III: 28, 28, 8, 7, 4, 3, 2. Legs yellow except coxa II brown; apical tarsomeres only very slightly darkened. Setae on coxae I yellow, those on coxae II and III yellow-brown. Hypopygium ( Fig. 6 View FIGURE 6 ): genital capsule brown; epandrial lobe with 2–3 setae. Surstylus with apical spine and small seta posteriad. Apex of phallus with ventral projection. Cercus yellow, short, with some brown hairs. Female. Body length, 1.6 mm. Wing length, 1.4 mm, width, 0.5 mm. Similar to male, except without MSSC and as noted. Head. Proboscis brownish, larger and more sclerotized than in male. Palpus short, oblong, about as long as clypeus, dark brown with silver pollinosity and brown setae that appear yellow in certain lights, longest setae along apical margin. Antennal postpedicel brown. Legs. I: 22, 20, 10, 5, 4, 2, 2. II: 28, 28, 16, 7, 4, 3, 2. III: 30, 32, 8, 8, 4, 3, 2.

Etymology. This species is named for Dr. John McCreadie (University of South Alabama) who provided specimens of this new species and of two other species described in this paper.

Material examined. HOLOTYPE ♂, “ALABAMA: Baldwin Co. | Little Briar Crk | 30°84 N, 87°94 W | 5 Sept. 2000 | J.W. McCreadie”, “HOLOTYPE | ♂ Chrysotus | mccreadiei | Runyon & Capellari 2018 [red label]” (USNM, type number USNMENT01447153). Paratypes: Alabama: Baldwin Co., Raft, Raft River, 30°77 N, 87°95 W, 24 August 2000, J.W. McCreadie (2 ♂, 2 ♀, MTEC, MZSP).

Distribution. USA: Alabama, Mobile-Tensaw River Delta.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Dolichopodidae

Genus

Chrysotus