Dryophilocoris saigusai Miyamoto

Jung, Sunghoon, Duwal, Ram Keshari, Yasunaga, Tomohide, Heiss, Ernst & Lee, Seunghwan, 2010, A taxonomic review of the Genus Dryophilocoris (Hemiptera: Heteroptera: Miridae: Orthotylinae: Orthotylini) in the Fareast Asia with the description of a new species, Zootaxa 2692, pp. 51-60 : 59

Dryophilocoris saigusai Miyamoto

( Figs. 23–24 )

Dryophilocoris saigusai Miamoto 1966: 431 ; Yasunaga 1999: 161.

Diagnosis. Recognized by the elongate, fuscous body, distinctly pubescent pronotum with pruinose calli, the widely dark mesial cuneus, the narrow K-structure, and the almost oval shape of the sclerotized rings of female genitalia ( Figs. 23–24 ).

Description. Female: body elongate, parallel-sided; dorsal surface dark chestnut brown, with very sparse pubescence. Head shiny fuscous, glabrous, with yellow narrow horizontal basal line. Antennae dark brown, slender; lengths of segments I–IV: 0.61–0.66, 2.22–2.25, 1.23–1.35, 0.35–0.38. Rostrum yellowish brown, reaching apex of mesocoxa; apical half of segment IV darkened. Pronotum dark chestnut brown with a longitudinal yellowish line at middle, entirely pilose except basal margin, posterior part of pronotum dark brown, mat, pronotum behind calli distinctly pubescent; calli dark grayish brown, pruinose, with sparse, silky pubescence; mesoscutum and scutellum dark brown, shagreened, somewhat arched, transversely rugose. Hemelytra dark brown, weakly shagreened; anterolateral part of corium, embolium, and base and apex of cuneus yellowish brown. Membrane dark grayish brown, with a pale spot along apex of cuneus. Coxae and legs yellowish brown; femora somewhat reddish, basal half of hind femur dark brown; tibial spines pale brown, short; tarsi brown. Abdomen entirely dark chestnut brown. Genitalia ( Figs. 23–24 ): K-structure welldeveloped, narrow, dull pointed apex, broad middle part; sclerotized rings in anterior wall, oval, large (male description including genitalia was provided by Miyamoto, 1966).

Distribution. Japan (Hokkaido, Honshu), Russia (Fareast), Korea *

Biology. See Yasunaga (1999).

Material examined. [YC] 13# specimens collected from Japan, including paratypes, were examined from the following localities: Hokkaido, Mt. Asahidake, 1600–1700m, Higashikawa Town, Kamikawa; Yumoto, Mt. Chisenupuri, Niseko, Shiribeshi; 4-ban River, Tovetsu Town, Ishikari; Ohmachi-Aokiko, Nagano Prefecture; Mt. Kakezu, Geihoku Town., Hiroshima Prefecture. [SNU] 13, 1Ƥ, Mt. Chisenupuri, Niseko, Shiribeshi, Japan, 30.v.1992, leg. T.Yasunaga, on Quercus sp.; 23, 2Ƥ, Namhansansung, GG, South Korea, 5.v.2008, leg. W. Kim.

Figures

FIGURES 21 – 26. Female genitalia. 21 – 22, Dryophilocoris pallidulus; 23 – 24, D. saigusai; 25 – 26, D. flavoquadrimaculatus; 21, 23, 25, K-structure; 22, 24, 26, anterior wall with sclerotized rings; Scale: 0.2 mm.