the cynipoid genus paramblynotus - American Museum of Natural ...

50 BULLETIN AMERICAN MUSEUM OF NATURAL HISTORY NO. 304
tum. Pronotal crest prominent and medially
without emargination. Lateral pronotal carina
distinct, not reaching pronotal crest
dorsomedially. Lateral surface of pronotum
foveate-reticulate, and also slightly glabrate
posteriorly. Dorsal pronotal area complete to
end of dorsal posterior margin of pronotum
and distinctly transversely carinate; carination
fine anteriorly and coarser posteriorly.
Mesoscutum foveate-reticulate with foveae
set in rows between transverse costae. Scutellar
foveae not subdivided by submedian
longitudinal carinae. Dorsal surface of mesoscutellum
foveate-reticulate; posteriorly
raised and projected into a truncate lamella.
Mesopleural triangle ventrally not well defined
by smoothly curved carina; upper
mesopleuron longitudinally carinate; median
impression percurrent; speculum with distinct
longitudinal carinae; lower mesopleuron
densely punctate and pubescent. Metanotalpropodeal
complex coarsely foveate-rugose
with dense pubescence. Lateral propodeal
carina distinct anteriorly and inseparable
from the longitudinal carinae posteriorly;
median propodeal area areolate-reticulate.
Rs+M of forewing arising from basal vein
at middle.
Abdominal petiole 0.3 times as long as
wide in lateral view. Relative length of T3–8:
2:1:1:3:0.5:0.2; T4–8 densely finely punctate;
T8 also with a few slightly larger setigerous
punctures. All legs densely punctate with
pubescence except metacoxa dorsally glabrous.
Metatibia apically with four stout,
apically round teeth. 1mt/2–5mt 5 2.0.
MALE: Unknown.
Paramblynotus alveolatus is most similar to
P. yangambicolus, but it can be distinguished
from the latter by the following characters:
head in profile medially not distinctly raised
anteriorly; median impression of mesopleuron
distinct, not obscured by the extension
of the longitudinal carinae of upper
pleuron; apical teeth of metatibia stout and
apically rounded; 1mt/2–5mt 5 2.0.
TYPE MATERIAL: HOLOTYPE: R, Cameroon,
1898–1899, La Conradt coll. (MNCN).
DISTRIBUTION: Cameroon.
ETYMOLOGY: From Latin, alveus, cavity.
The name refers to the alveolate sculpture on
dorsal surface of the propleuron, which is
characteristic of the yangambicolus group.
TRISETOSUS GROUP
figures 38–44
The species group is endemic to southern
Africa and is distributed predominantly in
mountainous areas, particularly in the east of
the continent.
DIAGNOSTIC CHARACTERS: Body relatively
small. Antenna cylindrical, usually
enlarged toward apex. Female antenna 12-
or 13-segmented with F1 shorter than or
equal to F2. Placodes of antennal flagellomeres
are as long as the segments, relatively
evenly spaced, and roughly parallel with each
other. Male antennae 14-segmented with 1st
flagellomere sinuate laterally. Antennal
scrobes are usually defined by distinct lateral
carinae. Median frontal carina usually present
but sometimes absent. Eyes moderately
protruding, laterally always beyond genae
(fig. 38). Occiput glabrous. Submedian depression
of pronotum laterally open. Pronotal
crest not raised dorsomedially (fig. 39),
only occasionally raised into a very small but
distinct triangular process. Lateral surfaces
of pronotum evenly curved anteroventrally,
foveate-reticulate without secondary transverse
costae and punctures, and dorsomedially
separated or not by an extended, less
sculptured anterior area (fig. 39). Lateral
pronotal carinae weak, not extended to meet
pronotal crest. Mesoscutum strongly convex
dorsally, foveate-reticulate or transversely
carinate with foveae set in rows (fig. 39).
Mesoscutellum strongly sloped posteriorly
without a distinct posterior vertical surface
and foveate-reticulate dorsally. Scutellar sulcus
divided into two foveae by median
longitudinal carina, or less frequently, divided
into several foveae by several submedian
longitudinal carinae. Axillar area distinct,
but no conspicuous hair tuft.
Mesopleural triangle ventrally well defined
by a smoothly curved carina. Upper mesopleural
area glabrous or sculptured; speculum
usually glabrous but sometimes longitudinally
carinate. Median mesopleural
impression present with multiple, equally
strong vertical carinae. Metepisternum foveate
to areolate in upper half, pubescent in
lower part, and more often than not with
a medial elevated glabrous area (fig. 39).
Lateral propodeal carinae percurrent and not