Phytoecia, Dejean, 1835

Faizi, Fardin, Danilevsky, Mikhail L., Ghobari, Hamed & Nozari, Jamasb, 2020, Two new species of Phytoecia Dejean, 1835 (Coleoptera, Cerambycidae) from Iran, Zootaxa 4868 (4), pp. 591-595: 593-595

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Phytoecia   (s. str.) ambrusi Faizi & Danilevsky, sp. n.

( Fig. 3 View FIGURES 1–6 )

Type material. Holotype, female, Iran, Kurdistan province, Marivan-county, Chuin , 35°25’17.63”N, 46°32’5.9”E, 12.05.2017, Fardin Faizi leg.— MD. GoogleMaps  

Description. Female. Body totally black, covered by very dense recumbent yellow pubescence, which is thinner on legs and very fine on antennae; head and thorax slightly brighter, pale-yellow legs and grey-yellow antennae; sparse erect setae very short and thin, hardly visible on frons, pronotum and elytral bases, nearly indistinct.

Head totally covered with very dense thick even yellow pubescence along frons, vertex, genae and occiput; frons transverse with central line prolonging to vertex, but hidden by yellow pubescence; space between antennal insertions nearly flat; genae about as long as lower eye lobe; the distance between upper eye lobes about two times more than width of pedicellum; lower and upper eye lobes connected by narrow bridge of several ommatidia width; mandibles unicuspid; antennae almost reaching elytral apices, thin, without erect setae; scape slightly widened distally without apical swelling, much shorter than antennomere III, which is about as long as IV; antennomere IV about 1.5 times longer than V.

Prothorax cylindrical, not widened laterally, with sides subparallel; pronotum evenly covered with dense yellow pubescence without central setae stripe, without callosities; several short erect setae present laterally. Scutellum strongly transverse, with dense yellow pubescence.

Elytra about 2.9 times longer than basal width, with sides slightly converging posteriorly; no costae or longitudinal depressions present; a few short erect setae hardly visible near elytral base; elytral cover rather regular, not forming distinct design; elytral apices obliquely truncated, internal and external angles slightly pronounced.

Legs thin with very short regular recumbent yellowish pubescence; setae brushes of middle tibiae also yellowish; metatarsomere I slightly longer than II and III combined; metatarsomere III as wide as long, longer than metatarsomere II; denticles of the tarsal claws wide, triangular.

Ventral and lateral body-sides with dense yellow pubescence without any setae concentrations or rarefactions; last abdominal sternite slightly depressed, last abdominal tergite distinctly convex, both truncated apically.

Body length: 10.5 mm, humeral width: 2.8 mm.

Differential diagnosis. The new species seems to be close to Iranian Ph. (s. str.) aenigmatica Sama, Rapuzzi & Rejzek, 2007   (described from Khorasan, 10 km NE Nesapur, 36°14′N, 58°58′E) by the similar even body cover. In Ph. aenigmatica   the antennae are shorter than body (in both sexes), the pronotum and basal third of elytra have long erect setae; the pronotum has central setae stripe, with a pair of callosities; and the legs are partly red.

The new species is also similar to the species of subgenus Ph. ( Neomusaria   ) Plavilstshikov, 1928, but differs by the pronotum without callosities; denticles of the tarsal claws wide, and triangular (in Ph. ( Neomusaria   ) sharp and narrow).

Distribution. The new species is known from West Iran (Kurdistan, Marivan county, Chuin, about 35°24′55″N 46°31′18″E, Fig. 6 View FIGURES 1–6 ), while the similar species Ph. (s. str.) aenigmatica ( Sama et al., 2007)   was described from another side of the country (East Iran, Khorasan, 10 km NE Nesapur, 36°14′N, 58°58′E).

Etymology. The new species is dedicated to Richard Ambrus (Prague, Czech Republic) a well-known Cerambycidae   collector, who arranged several collecting trips to South Asia.


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