Paragrallomyia pseudoalbibasis, Ferro & Marshall, 2020

Ferro, Gustavo Borges & Marshall, Stephen A., 2020, A redefinition of Paragrallomyia Hendel (Diptera: Micropezidae, Taeniapterinae) and a revision of the P. albibasis complex, Zootaxa 4822 (1), pp. 39-70 : 58-60

publication ID

https://doi.org/10.11646/zootaxa.4822.1.2

publication LSID

lsid:zoobank.org:pub:F2D5A199-48B1-448A-9B9A-458FBFB5253D

DOI

https://doi.org/10.5281/zenodo.4401248

persistent identifier

https://treatment.plazi.org/id/BABB2B06-0D04-4594-9BA2-09AA260D1350

taxon LSID

lsid:zoobank.org:act:BABB2B06-0D04-4594-9BA2-09AA260D1350

treatment provided by

Plazi

scientific name

Paragrallomyia pseudoalbibasis
status

new species

Paragrallomyia pseudoalbibasis new species

( Figs. 35–38 View FIGURES 35–38 )

Description: Body length 7 mm; wing 5 mm. Head and abdomen dark brown, thorax black. Palpus dark brown except for white outer face. Clypeus dark brown with sparse pale microsetulae. First flagellomere dark brown. Fronto-orbital plate dark brown. Row of katepisternal setae brownish. Fore tibia dark brown. Fore tarsus mostly white, tarsomere one brown on basal half only. Hind femur mostly brown, white on basal quarter and with a small angled preapical white ring. Tergites dark brown. Oviscape dark brown.

Head: First flagellomere covered by pale microsetulae. Frontal vitta with a darkened spot anterior to ocellar plate. Frontal vitta flat, not swollen anterior to ocellar plate. Epicephala merging immediately posterior to ocellar plate ( Fig. 35 View FIGURES 35–38 ). Epicephalon somewhat swollen above frontal vitta level.

Thorax: Mesonotum with lines of thin brownish microsetulae. Anterior half of postpronotal lobe bare. Femur covered with sparse black microsetulae. Mid and hind tibia flattened, sulcus on outer face strongly pronounced and curved ( Fig. 37 View FIGURES 35–38 ). Female cervical sclerite with a white oval swollen on posterior end. Cell r 4+5 open at the tip of the wing.

Female abdomen: Single spermathecal duct with an apical rounded swelling. Single spermatheca cylindrical, with sparse small finger-like swellings on apical half ( Fig. 36 View FIGURES 35–38 ). Paired spermathecal duct swollen apically before splitting into stems. Paired spermathecal duct stems tapered on basal third, followed by a rounded swelling and a tapered apical third with small finger-like processes. Paired spermathecae oval, and with an apical nipple-like swelling. Male abdomen: Copulatory fork with small inner basal lobes, less than half as long as the arms ( Fig. 38 View FIGURES 35–38 ). Ejaculatory apodeme bigger than epandrium and with a thin blade, length subequal to sperm pump. Phallapodeme short, not extending to anterior limit of hypandrium. Distiphallus long, longer than epandrium and with a tapered phallic bulb. Distal distiphallus short and thin, 1/4 of length and almost half of width of basal distiphallus.

Type material: Holotype: COSTA RICA. Puntarenas, Corcovado Natl. Pk., san Pedrillo , 5–50 m, 8º 37’ 15 N 83º44’6 E, 13.VIII.2001, S. A. Marshall (1 ♀, DEBU00168174 View Materials , MNCR) GoogleMaps . Paratypes: BELIZE. Cayo Dist., San Ignacio, Maya Mt. Lodge, 17º 9’ N 89º4’W, dung trap, 7–8.I.1991, S. A. Marshall (1 ♂ DEBU00151711 View Materials ) GoogleMaps ; COSTA RICA. Alajuela, Volcan Tenorio, N slope nr. Bijagua Biol. Sta. , 700 m, 16–20. VI.2000, N. E. Woodley (1 ♀, DEBU00118457 View Materials ) ; Alajuela, Volcan Tenorio, N slope nr. Bijagua Biol. Sta. , 700 m, rain forest, 19. VI.2000, M. Buck (1 ♀, DEBU00118536 View Materials ) ; Alajuela , Volcan Tenorio, N slope, trail to laguna, 800–900 m, rain forest, 16–20. VI.2000, S. A. Marshall (2 ♀, DEBU00118536 View Materials , DEBU00118537 View Materials ) ; Guana, Estacion Pitilla , 9 km Santa Cecili, 700 m, ENE 1995, C. Moraga, L N 329950 380450 #4354 (1 ♂, INBIO CRI002131321 , MNCR) ; Heredia, Estac. Biol. La Selva , 18–21.IV.2000, E. M. & C. F. Fisher coll. (1 ♀, Sequence MYCRO426-18 , DEBU01088958 View Materials ) ; Heredia, F. La Selva , 3 km S Pto. Viejo, 10º26’N 84º01’W, 16.IV.1984, H. A. Hespenheide (1 ♀, DEBU) GoogleMaps ; Puntarenas, Osa Peninsula 2.5 km S Rincon , ~ 50 m, 8º 42’ 1 N 83º30’50 W, 10–11.VIII.2001, S. A. Marshall (3 ♀, DEBU00168049 View Materials , DEBU00168050 View Materials , DEBU00168055 View Materials ) GoogleMaps ; Puntarenas, Osa Peninsula 2.5 km S Rincon , ~ 50 m, 8º 42’ 1 N 83º30’50 W, trail nr. station, human dung, 10–11.VIII.2001, S. A. Marshall (4 ♀, 1 ♂, DEBU00168234 View Materials , DEBU00168237 View Materials , DEBU00168245 View Materials , DEBU00168246 View Materials , DEBU00168252 View Materials ) GoogleMaps ; Puntarenas, R. F. Golfo Dulce 24 km W, Piedra Blanca , 200 m, II.92, Tp 2, P. Hanson (1 ♀, DEBU) ; San José, San Carlos, Riosparaiso Res. , Pecari Stn. 16 km NNE Quepos, 400 m, 9º 33’ 53N 84º7’32 W, 12–15.IV.2006, S. A. Marshall (1 ♀, 1 ♂, DEBU00256639 View Materials , DEBU00258115 View Materials ) GoogleMaps ; San José, San Carlos, Riosparaiso Res. , along trail from Rio Negro to Quepos , 9º 33’ 43N 84º7’38 W, 23.II.2006, S. M. Paiero (1 ♀, Sequence 404-18, DEBU00256599 View Materials ) GoogleMaps ; San José, San Carlos, Riosparaiso Res. , upper trail to Rio Negro , 1º forest, 26.II.2006, S. M. Paiero (2 ♂, Sequence MYCRO405-18 , DEBU00256632 View Materials ) ; San José, San Carlos, Riosparaiso Res. , Pecari Stn. 16 km NNE Quepos, 400 m, 9º 33’ 53N 84º7’32 W, 15.II.2003, S. A. Marshall (1 ♂, Sequence MYCRO427-18 , DEBU00205712 View Materials ) GoogleMaps ; San José, San Carlos, Riosparaiso Res. , Pecari Stn. 16 km NNE Quepos, 400 m, 9º 33’ 53N 84º7’32 W, 15.II.2006, S. A. Marshall (1 ♂, DEBU00206731 View Materials ) GoogleMaps .

Distribution: Belize, Costa Rica.

Etymology: The specific name reflects similarity with P. albibasis .

Comments: A very s imilar species to P. albibasis , however P. pseudoalbibasis can easily be recognized by the flattened mid and hind tibiae with the sulcus on the outer face strongly pronounced and curved. The long and thin ejaculatory apodeme blade also differs from the reduced blade of P. albibasis .

MNCR

Museo Nacional de Costa Rica

COSTA

Timescale Adventures Research and Interpretive Center

VI

Mykotektet, National Veterinary Institute

DEBU

Ontario Insect Collection, University of Guelph

R

Departamento de Geologia, Universidad de Chile

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Micropezidae

Genus

Paragrallomyia