Lygistorrhina (Probolaeus) cerqueirai Lane, 1958

Blagoderov, Vladimir & Pollet, Marc, 2020, Diversity of Lygistorrhina (Probolaeus) Williston, 1896 (Diptera: Keroplatidae, Lygistorrhininae) of Mitaraka (French Guiana), with descriptions of three new species, Zoosystema 42 (30), pp. 593-606 : 600

Lygistorrhina (Probolaeus) cerqueirai Lane, 1958

( Fig. 5 )

Lygistorrhina cerqueirai Lane, 1958: 209 .

REMARK

The species was described by J. Lane based on a single male specimen. During the senior author’s visit to MZUSP in 2010, the holotype of the species was studied and photographed. Below is an emended description.

MATERIAL EXAMINED. — Holotype. Brazil • ♂; Amazonas, Igarapé de Mariano ; 21.XI.1955; Elias and Rappe coll.; MZUSP.

EMENDED DESCRIPTION

Male

Head. Palpus ¾× as long as proboscis, rather densely setose; setae about as long as proboscis width. Median ocellus slightly anteriad of lateral ocelli, half the diameter of the latter; lateral ocelli semicircular. Flagellomeres bacilliform, about 3× as long as wide, each with single prominent dark seta near apex.

Thorax ( Fig. 5C, D ). Laterotergite with 16-17 setae; mediotergite with 6 setae; antepronotum with 5 setae; proepisternum with 6 setae. Mesonotum with short setae forming indistinct dorsocentral and acrostichal rows; with long setae in supra-alar rows and in posterior quarter of mesonotum.

Wing ( Fig. 5B ). Costa extends beyond R 5 to more than ½ of distance between R 5 and M 1; M 1 and CuA sinuous.

Terminalia ( Fig. 5E, F ). Tergite 9 ovoid, entirely setose, with dense patch of strong spines on apex. Gonostyli parallelsided, slightly curved inwards, with an apical scoop-shaped tooth. Gonocoxal apodemes heavily sclerotised.

Figures

FIG. 5. — Lygistorrhina (Probolaeus) cerqueirai Lane, 1958, holotype: A, habitus; B, wing; C, D, thorax; E, F, male genitalia; C, lateral view; D, E, dorsal view; F, ventral view. Scale bars: A, 1 mm; B-D, 0.5 mm; E, F, 0.2 mm.