Agrophaspidium psilotum Wheeler and Mlynarek

Wheeler, Terry A. & Mlynarek, Julia J., 2008, Systematics of Agrophaspidium, a new genus of Neotropical Chloropidae (Diptera), Zootaxa 1926, pp. 41-52: 48-49

publication ID 10.5281/zenodo.184802


persistent identifier

treatment provided by


scientific name

Agrophaspidium psilotum Wheeler and Mlynarek

sp. n.

Agrophaspidium psilotum Wheeler and Mlynarek   , sp. n.

( Figs. 22–25 View FIGURES 22 – 25 )

Description (male only): Total length 1.6–1.8mm. Frons pollinose, yellow anteriorly, brown posteriorly; frontal triangle almost reaching anterior margin of frons, shining except for apex; ocellar tubercle black, shining; 8–9 short fronto-orbital setae; 5–8 interfrontal setulae pale except for pair at anterior margin of frons; ocellar bristles dark, small, inconspicuous; postocellar bristles strong, short; inner and outer vertical bristles dark, strong, short; eye bare, genal height 0.08–0.09 times eye height; vibrissa, slender, longer than genal setae; postgena and occiput sparsely pollinose; face pale, sparsely pollinose; antenna pedicel yellow, darker than first flagellomere; first flagellomere yellow; arista brown to black, slender; proboscis and clypeus brown, palpus yellow.

Scutum brown, mostly shining, sparsely pollinose; postpronotum sparsely pollinose, slightly paler than scutum; notopleuron pollinose; scutellum dark, scutellar projections well-developed; apical and sub-apical tubercles 0.33 times length of scutellum; scutellar bristles strong, as long as tubercles; thoracic pleurites shining. Legs yellow except for wide brown band around all femora. Wing: ratio of second to third costal sectors 1.8 –2.0: 1; halter white. Abdomen pollinose, brown, slightly paler than scutum.

Male postabdomen: epandrium large and bulbous, much broader than rest of abdomen ( Fig. 22 View FIGURES 22 – 25 ); surstylus with outer lobe broad distally, branched at apex, with pointed apical projection, inner lobe long, narrow, pointed ( Figs. 23–25 View FIGURES 22 – 25 ); cercus broad, complex, with multiple shallow lobes apically ( Figs. 23–25 View FIGURES 22 – 25 ).

Type material: Holotype ɗ: COSTA RICA: Prov. Guanacaste, Guanacaste National Park, Pitilla Biol. Stn., 800m, 11.ii. 1995, L. Masner, yellow pan beside stream (LEM). Paratypes: COSTA RICA: Prov. Limon, 4km NE Bribri, 50m, xii. 1989 – iii. 1990, P. Hanson (1 ɗ, DEBU); Higuito, San Mateo, P. Schild (3 ɗ, USNM); La Suiza de Turrialba, July, P. Schild (1 ɗ, USNM); La Suiza de Turrialba, xi. 1922, P. Schild (1 ɗ, USNM).

Etymology: The species name is from the Greek psilos (bare), referring to the mostly shining frontal triangle and bare surstylar apex.


Ontario Insect Collection, University of Guelph


Smithsonian Institution, National Museum of Natural History