Comprehensive Description

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Description

 Length: 1.44–1.59 mm, width: 1.06–1.15 mm; body rufescent, nearly parallel sided and depressed; frons depressed and finely punctate, frontal stria absent across middle or represented by few rudimentary fragments, sides forming a continuous arch with complete supraorbital stria; epistoma weakly convex along apical margin; labrum 1.5× as wide as long; both mandibles with similar, subacute basal teeth; prescutellar impression present, elongate, almost linear, 2–3× length of scutellum; pronotum finely punctate throughout; without coarser punctures laterally; lateral submarginal pronotal stria absent; marginal stria interrupted behind head; anterior submarginal stria present, recurved obliquely posterad about one-third to one-half pronotal length; median pronotal glands about 6 puncture widths from anterior margin, alongside recurved anterior stria; elytra with one complete epipleural stria, with outer subhumeral stria fine, present in apical half, inner subhumeral stria absent, striae 1-4 complete to base, the apices of 1st and 2nd striae slightly abbreviated in some individuals, 5th stria present in apical two-thirds, sutural stria present in apical three-fourths, widened anteriorly; prosternal keel produced and rather broadly rounded at base, carinal striae complete, connected anteriorly and basally, narrowly separated at middle; prosternal lobe subtruncate apically, with complete marginal stria; mesoventrite deeply emarginate; mesoventral marginal stria narrowly interrupted at middle; mesometaventral stria arched forward about halfway to mesoventral margin, sinuate, then angulate near mesocoxa, posteriorly nearly reaching middle of metacoxa; 1st abdominal ventrite with 2 complete striae on each side; propygidial punctures small and sparse, major punctures separated by a little more than their diameters; pygidium with ground punctures not extremely dense, separated by a puncture width or more, with slightly coarser punctures intermingled, principally in basal third; marginal pygidial sulcus complete, ranging in appearance from a connected series of deep punctures to a deeply crenulate sulcus. Male genitalia (Figs 31A–G): as for group description above, distinguished by the broad truncate apices of S8 which bear a long series of setae, as well as by the subtriangular, hatchet-like apices of T9; S9 short, truncate at base, with broad shallow apical emargination, apical flanges widely separated; T10 poorly sclerotized; tegmen widest at base, narrowed in apical half. 

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© Michael S. Caterino, Alexey K. Tishechkin

Source: ZooKeys

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