Neosilba distospinosa
Neosilba distospinosa has 8‑10 distal and
ventral (4‑5 in each side) spine-like spiculae in the filament
of the aedeagus (Fig. 9C), distal dorsal and lateral
side of C‑shaped densely spiculated (Figs. 9A‑B,
D‑E), C‑shaped abruptly reduced at the base of the
filament (Figs. 9D, E), surstylus with 7 distal prensisetae
in right angle at each side (Fig. 9F). N. distospinosa
belongs to certa subgroup because of the size and shape
of the male genitalia, The C‑shape is thicker than the
filament and this one is long and thin. Species of the
glaberrima subgroup (N. batesi, N. bifida, N. glaberrima,
N. delvechioi, N. inesperata and N. pseudobifida)
differs by the spine-like lobe or two projected lobes
arising on convex surface of the C‑shape and by the
shape of the paramere (Figs. 10‑12); N. certa (Fig. 13)
and N. bella differs by the C‑shape is gradually thinner
at the base of filament; N. oaxacana (Fig. 14)
differs by the prensisetae of the surstylus and by the
filament of the aedeagus; the surstylus has two prensisetae
located near the medial longitudinal line at each
side and the other ones located in a external longitudinal
line, and the filament does not have any spicula;
N. pradoi differs by the spiculae in the filament of the
aedeagus being absent; N. paramerolatus differs by the
filament of the aedeagus without spiculae and 9 prensisetae
at each side of the surstylus
Description: Body length 4.8‑5.52 mm long,
1.70‑2.37 mm wide at pteropleura. Head:
1.6‑1.8 mm wide, 1.4‑1.5 mm high, 0.6‑0.7 mm
long; front 0.4‑0.5 mm wide in the lunule and
0.51‑0.55 mm wide lower ocelar triangle; lunule
with 8 setulae; postpedicel 0.7‑0.9 mm long,
0.2‑0.3 mm wide in lateral view; arista 1.1 mm long;
subvibrissal area with 3 setulae. Thorax: 1.5‑2.0 mm
wide, 1.9‑2.6 mm long, anepisternum with 4 anterodorsal
and 5‑6 posterior bristles; scutellum with
7 setulae between lateral bristles; fringes of calypteres
with 8‑9 brown setae; wing 5.3‑5.7 mm long,
2.0‑2.2 mm wide, hyaline. Abdomen: 1.9‑2.22 mm
long. Male terminalia: Epandrium 0.55‑0.61 mm
long, 0.35‑0.43 mm wide (1.25‑1.41 times as long as
broad), with a soft distal cleft; surstylus with 7 prensisetae
at each side arranged in right angle; trapezoidshape
gonopod with a ventral, spine-like, long and
thin setula; paramere finger-like in ventral view, covered
with acute spiculae toward its end and with 4‑6
setulae; cerca 0.146 mm long, 0.135 mm wide, with
a lateral bunch of setulae; aedeagus with distal, thick
and acute spiculae, grouped at the end of C and towards
the filament; filament 0.015‑0.019 mm wide,0.96‑1.15 mm long, smooth, with 4‑5 pairs of spinelike
spiculae in the ventro-distal side, apex beyond the surstylus; ejaculatory apodeme rhomboid-shape
in ventral view.
specimens were collected from Inga fruits (Inga edulis Mart).
Host: specimens were collected from Inga fruits (Inga
edulis Mart).