New flightless Eumolpinae of the genera Apterodina Bechyné and Brachypterodina n. gen. (Coleoptera: Chrysomelidae) from the Neotropics
Author
Flowers, R. Wills
text
Zootaxa
2004
549
1
18
journal article
10.5281/zenodo.157653
1a204144-f48d-47e9-949e-2b616e3f0418
11755326
157653
BDF889B5-9A0A-43E5-9249-6EEF222B1F17
Apterodina bucki
Bechyné
(
Figs. 5
,
9
,
13
,
31
,
33
)
Apterodina bucki
Bechyné 1954
:117
.
Female.
Length
3.8–4.2 mm
. Head, pronotum, elytra and underside brownish black with faint metallic sheen; antenna reddish brown, segments 7–9 paler. Legs piceous reddish brown. Mouthparts and mandibles piceous; labrum with 2 dorsal setae and short row of lateral setae along outer margin. Mandibles with lateral surface smooth, a prominent seta on dorsal surface at angle. Prothorax distinctly wider than long, L/W = 0.62; pronotum strongly convex, anterior angles quadrate, rounded, posterior angles obtuse; lateral margins narrow, rounded, strongly converging in apical third, with widest part of pronotum near middle; disc regularly, punctate, with punctures separated by a distance subequal to their own diameters. Undersurface of thorax smooth. Prosternum with intercoxal process flat, its width 1.0 x diameter of procoxa. Mesosternum with scattered setae. Metasternum very short, narrow between meso and metacoxae, transversely wrinkled, with short yellow setae. Elytra inflated, more or less evenly punctate, with punctures separated by distance greater than the diameter of a puncture; surface between punctures smooth with scattered small punctulae; humeri not prominent, broadly rounded, width across humeri 1.05 x width across pronotum; basal calli obsolete; postbasal depression lacking; sides broadly rounded, convergent; apices mucronate at sutural angle.
Hind
wing reduced to narrow strap (
Fig. 13
). Scutellum Ushaped. Abdomen with scattered erect setae, surface of segments smooth. Pygidium densely setose on posterior margin (
Fig. 9
). Segments VIII–XI forming elongate ovipositor. Sternum VIII with long aciculate basal apodeme. Spermatheca (
Fig. 31
) with pump and receptacle not differentiated, a thin apodeme on the apex of pump; spermathecal duct thin and coiled.
Male
. unknown.
Specimens Examined.
1 Ψ (NHMB): Porto Alegre; Ptype,
Apterodina bucki
m., J. Bechyn det. 1953. 1 Ψ (NHMB): Parecy Novo no other data. The
type
(not seen) is in the Pio Buck collection (
Bechyné 1954
), currently in the Colegio Anchieta in Sao Paulo (C. Duckett, pers. com.).