Kalama wangi Golub, Luo & Vinokurov

Golub, Victor B., Luo, Zhaohui & Vinokurov, Nikolai N., 2012, Studies of True Bugs of Xinjiang, Western China. II. Cimicomorpha: Lace Bugs (Hemiptera: Heteroptera: Tingidae: Tinginae), Zootaxa 3580, pp. 69-82 : 76-77

Kalama wangi Golub, Luo & Vinokurov , sp. n.

( Figs. 16, 17 )

Differential diagnosis. Kalama wangi sp. n. is closely related to K. vinokurovi (Golub, 1979) ( Figs. 18, 19 ). Both species share the followings features: small dimensions; rare, straight and much erected bristles on antennal segment III; rather narrow costal area of hemelytra with one row of areolae for the most part of its length; approximately the same number of longitudinal rows of areolae in areas of hemelytra, etc.

The new species differs from K. vinokurovi by the convex anterior margin of pronotum ( K. vinokurovi has concave or straight anterior pronotal margins), longer hood that significantly extends posteriorly ( K. vinokurovi has a short and cut-back hood), longer antennae (lengths of antennal segments I, II, III, IV of K. vinokurovi are as follows: 0.1–0.13, 0.07–0.08, 0.32–0.36, 0.25–0.27 mm), relatively longer antennal segment III in males that 1.7 times longer than segment IV (segment III in males of K. vinokurovi is 1.4 times longer than segment IV), broader paranotae with more rounded anterior corners, a little broader costal area of hemelytra, broader costal area than that in forms brachypterous and macropterous of K. vinokurovi , larger body (body length in subbrachyptera specimens of K. vinokurovi is 2.1–2.5 mm).

Description. Body oval, rather small, shorter than 3 mm, 2.23 times as long as wide, dorsally brown, head and pronotal disc blackish brown, significantly darker than the rest of dorsal surface.

Head with two rather lengthy obliquely upwards and forwards frontal spines with contiguous obtuse apices; their length almost equal to length of antennal segment I.

Clypeus comes almost to apex of antennal segment I. Antennal tubercles curved, with their apecies directed to the head. Antennae rather thin, segments II, III, and basal half of segment IV covered with rather long, hard setae, these longer than thickness of segment III. Setae are right or slightly curved, directed obliquely to antennal apex with spines in their bases. Antennal segment III 1.6–1.7 times (males) or 1.2 (females) longer than segment IV. Antennal segments I and II black (males) or light (females), segments III and IV in males and females are dark brown.

Pronotum moderately convex, with three very low longitudinal carinae having one row of rather large, rectangular areolae. Pronotal disc in a large punctuate. Hood (or vesicula, areolate vesicular formation in anterior margin of pronotum) with straight or slightly convex anterior margin, elongated back, with two large and one small areolae along its medial line. Pronotal disc slightly convex, with three rather high longitudinal carinae, bearing one row of rather large rectangular areolae. Paranota (flattened areolate lateral margins of pronotum) rather broad, with rounded and protruding anterior angles, in anterior half with three rows of areolae and additionally with one areola of the fourth row, in posterior half with two rows of areolae or additionally with one areola of the third row. Posterior triangular process of pronotum rather strongly elongated.

Subbrachypterous form, hemelytra without of developed membrane. Apices of hemelytra go backwards to the apex of abdomen significant. Costal area rather broad, especially in females, with two rows of areolae basally and one row of rather large rectangular areolae for the most part of its length. Areolae of costal area larger than all other areolae of hemelytra. Subcostal area with three (males) or four (females) rows of areolae in its widest part, i.e., medially of its length. Discoidal area with four (males) or five (females) rows of areolae of irregular form in its widest part. Sutural area with two rows of areolae in its basal half, and with three rows in the apical part. Inner margins of hemelytra right. Posterior wings are not developed.

Body ventrally black-brown or practically black. Femora brown, tibiae and tarsi lighter, brown or yellowish.

Measurements (mm): body length―2.5 (males), 2.5–2.6 (females); body width―1.1–1.15; pronotum length―0.98; pronotum width―0.93; head width―0.38; length of antennal segments in holotype (I, II, III, IV)―0.15, 0.09, 0.53, 0.33.

Holotype: 3, China, Changji, Dongwugong, 30 km NW of Urumchi, 2. VI.1989. (Wang M.).

Paratypes: 3 3, 6 Ƥ, the same locality and the same date as holotype.

Etymology. The species is named in honor of its collector, Chinese entomologist Wang Min, who has brought an appreciable contribution to the studying of lace bugs of Xinjiang.

Distribution. Known only from the type locality: China, Xinjiang.

Figures

FIGURES 16 – 17. Kalama wangi sp. n. 16 — photo; 17 — original drawing.

FIGURES 18 – 19. Kalama vinokurovi. 18 — photo; 19 — drawing (after Golub, 1979).