A new species of Ceratoteleas Kozlov (Hymenoptera, Scelionidae) from Japan, with a description of the male of Ceratoteleas Komeda, Yoto Mita, Toshiharu Yamagishi, Kenzo ZooKeys 2016 609 1 9 http://zoobank.org/5F194C56-510A-44F8-BD8D-54BB4F495A98 Insecta Scelionidae Ceratoteleas GBIF Animalia Ceratoteleas cornus Hymenoptera 1 2 Arthropoda species cornus  Taxon classification Animalia Hymenoptera Scelionidae  Description. Female (n = 5): Length = 2.00-2.50 mm (m = 2.28, SD = 0.20). Color (Figs 1A, C). Body dark brown; interantennal process, A1-2, meso- and metapleura (Fig. 1C) brown; radicle, mandible and legs yellow.  Figure 1. Ceratoteleas cornussp. n. A female, dorsal view B male, dorsal view C female, lateral view D male, lateral view. Scale bars = 1 mm. Head. FCI = 1.27-1.38 (m = 1.33, SD = 0.04); LCI = 1.55-1.78 (m = 1.61, SD = 0.10); DCI = 2.09-2.30 (m = 2.14, SD = 0.09); HW/IOS = 1.50-1.68 (m = 1.62, SD = 0.07); head about 1.2 times as wide as mesosoma (HW/TSL = 1.17-1.24, m = 1.21, SD = 0.03). Frons (Fig. 2A) dorsoventrally costate with dense long setae; orbital band absent; frontal patch absent; central keel present dorsally; antennal scrobe smooth, without setae; torular triangle smooth; POL as long as OOL (POL/OOL = 0.89-1.00, m = 1.00, SD = 0.06); OOL about 2 times as long as LOL (OOL/LOL = 1.80-2.25, m = 2.00, SD = 0.18); interantennal process (Fig. 1C) angular, forming right angle ventrally. Vertex costate with dense long setae; interocellar space rugose; hyperoccipital carina absent; vertex patch absent; Eyes with sparse setae. Malar region costate with dense setae; facial striae extending to top of eye; orbital carina present. Gena areolate with dense setae; genal patch absent. A1 (Fig. 2B) about 8 times as long as radicle (A1/r = 7.75-8.75, m = 8.25, SD = 0.45), 1.4 times as long as clava (A1/cl = 1.35-1.38, m = 1.35, SD = 0.01), about 16 times as long as A6 (A1/A6 = 15.50-17.50, m = 16.50, SD = 0.89); A2 3.5 times as long as A6 (A2/A6 = 3.50); A3 longest among A2-6, about 4.5 times as long as A6 (A3/A6 = 4.50-5.00, m = 4.50, SD = 0.27); A4 about 3.5 times as long as A6 (A4/A6 = 3.50-4.00, m = 3.50, SD = 0.27); A5 as long as A6 (A5/A6 = 1.00). Mandible tridentate; median tooth small, posterior tooth largest.  Figure 2. Ceratoteleas cornussp. n., female. A head, anterior view B antennae C mesosoma, dorsal view D mesosoma, lateral view E metasoma, dorsal view F metasoma, ventral view. Mesosoma. Pronotal suprahumeral sulcus foveolate with long setae; epomial carina present; cervical pronotal area areolate with dense setae, sculpture finer laterally; lateral pronotal area smooth dorsally, weakly rugulose ventrally. Mesoscutum (Fig. 2C) about 1.4 times as wide as long (TSL/ML = 1.37-1.52, m = 1.43, SD= 0.06), areolate with dense long setae; mesoscutal suprahumeral sulcus finely sulcate; mesoscutal humeral sulcus finely sulcate; antero-admedian line absent; notaulus absent. Mesoscutellum (SW/SL = 2.20-2.64, m = 2.55, SD= 0.18), areolate with dense long setae; scutoscutellar sulcus present; axillular carina extending posteriorly as a spine; median mesoscutellum without spine; posterior scutellar sulcus present. Femoral depression (Fig. 2D) transversally costate-areolate; mesopleural carina present; postacetabular sulcus present; postacetabulum areolate with dense setae; postacetabular patch absent; sternaulus absent; mesepimeral sulcus weakly foveolate; speculum smooth dorsally, costate ventrally; prespecular sulcus absent. Metanotal trough foveolate; metascutellum areolate, with bidentate spines; metascutellar carina present. Metapleural sulcus deeply impressed; dorsal metapleural area areolate; ventral metapleural area smooth dorsally, areolate laterally and ventrally; paracoxal sulcus absent; metapleural epicoxal sulcus absent; metapleural epicoxal carina absent; metapleural triangle areolate; prespiracular propodeal area modified to tooth; lateral propodeal carina present; lateral propodeal area areolate-rugose; metasomal depression foveolate; plica poorly defined; posterior propodeal projection present; plical area areolate-rugose, with dense setae. Legs (Fig. 1C) robust. Protibia with dense setae; anterior part of protibia with dense spines. Mesotibia with dense setae; anterior part of mesotibia with dense spines. Metafemur swollen; metatibia with dense setae; anteroapical part of metatibia with dense spines. Fore wing (Fig. 1A) extending to apical metasoma, about as wide as mesoscutum (TSL/WW = 1.02-1.30, m = 1.18, SD = 0.10); marginal vein about 2.3 times as long as stigmal vein (m/st = 2.17-2.67, m = 2.33, SD = 0.19). Hind wing extending to posterior margin of metasoma, about 5.5 times as wide as length of marginal cilia at widest point (HWW/HWS = 5.40-6.25, m = 5.50, SD = 0.34). Metasoma. T1 about 0.7 times as wide as T1+T2 length (T1W/T1+T2L = 0.71-0.81, m = 0.74, SD = 0.04), areolate, convex anterodorsally, as short horn. T2 areolate; basal depressions on T2 unclear; lateral patch of T2 present, with dense setae. T3 (Fig. 2E) about 1.4 times as wide as long (T3W/T3L = 1.41-1.49, m = 1.45, SD = 0.03), about 1.3 times as wide as mesoscutum (T3W/TSL = 1.18-1.29, m = 1.28, SD = 0.04), areolate, with dense setae laterally, smooth medially; basal depressions on T3 absent; lateral patch of T3 absent; posterodorsal patch of T3 absent; apical setae on T3 absent. S3 (Fig. 2F) deeply punctate with dense setae; basal depressions on S3 absent. T4 areolate with dense long setae; median patch on T4 absent; lateral patch of T4 absent. T5 areolate with dense long setae; lateral patch of T5 absent. T6 puncutulate with dense long setae; lateral patch of T6 absent.  Male(n = 5): Length = 1.88-2.25 mm (m = 2.13, SD = 0.15) Color (Fig. 1B, D) similar to female, but lighter. Head. FCI = 1.37-1.47 (m = 1.43, SD = 0.04); LCI = 1.40-1.67 (m = 1.50, SD = 0.10); DCI = 2.00 - 2.29 (m = 2.15, SD = 0.10); HW/IOS = 1.43-1.47 (m = 1.45, SD = 0.02); head about 1.3 times as wide as mesosoma; (HW/TSL = 1.20-1.30, m = 1.25, SD = 0.04). Antennal scrobe (Fig. 3A) absent; POL shorter than OOL (POL/OOL = 0.67-0.75, m = 0.69, SD = 0.03); OOL about 4 times as long as LOL (OOL/LOL = 3.25-4.00, m =4.00, SD = 0.41); interantennal process (Fig. 1D) circular, forming right angle ventrally. Vertex costate-smooth, with dense setae. Clypeus smooth. Gena areolate-costate with dense setae; genal patch absent. A1 about 5.3 times as long as radicle (A1/r = 5.00-5.50, m = 5.25, SD = 0.25); A5 (Fig. 3B) about 6.7 times as long as wide (A5L/A5W = 6.33-7.33, m = 6.67, SD = 0.38), 3.8 times as long as tyloid (A5L/ty = 3.50-4.00, m = 3.80, SD = 0.22).  Figure 3. Ceratoteleas cornussp. n., male. A head, anterior view B antennae C mesosoma, dorsal view D mesosoma, lateral view E metasoma, dorsal view F metasoma, ventral view. Mesosoma. Cervical pronotal area areolate with dense setae; lateral pronotal area smooth dorsally, areolate ventrally. Mesoscutum (Fig. 3C) about 1.3 times as wide as long (TSL/ML = 1.32-1.43, m = 1.33, SD= 0.04), with sparse setae; notaulus weakly present; inter notaular area areolate with sparse setae; lateral notaular area smooth-sparselypunctate. Mesoscutellum about 2.3 times as wide as long (SW/SL = 2.14-2.38, m = 2.25, SD= 0.10), areolate with dense setae laterally, smooth dorsally; scutoscutellar sulcus foveolate-sulcate; posterior mesoscutellar sulcus foveolate. Metascutellum shorter than female, with weak bump medially. Metanotal trough (Fig. 3D) foveolate-sulcate. Metasomal depression rugose. Legs (Fig. 1D) slightly robust. Setae and spines of tibiae shorter than female. Fore wing (Fig. 1D) long, exceeding to apical mesosoma, wider than mesoscutellum (TSL/WW = 0.67-0.69, m = 0.69, SD = 0.01); marginal veinabout 2.8 times as long as stigmal vein (m/st = 2.44-3.00, m = 2.78, SD = 0.27). Hind wing long, exceeding to apical mesosoma, about 6 times as wide as length of marginal cilia at widest point (HWW/HWS = 5.60-6.50, m = 6.00, SD = 0.32). Metasoma. T1 about 0.4 times as wide as T1+T2 length (T1W/T1+T2L = 0.38-0.54, m = 0.41, SD = 0.06), longitudinally costate-areolate. T2 costate; basal depressions on T2 unclear. T3 (Fig. 3E) about 1.5 times as wide as long (T3W/T3L = 1.41-1.59, m = 1.50, SD = 0.07), about 1.2 times as wide as mesoscutum (T3W/TSL = 1.13-1.23, m = 1.20, SD = 0.04), costate-finelyareolate, with sparsely deeply punctate sculpture and setae; lateral patch of T3 present, with dense setae. S3 (Fig. 3F) sparsely deeply punctate with dense setae. T4 costate-finelyareolate, with sparsely deeply punctate sculpture and setae; lateral patch of T4 present, with dense setae. T5 areolate, with sparsely deeply punctate sculpture and setae; lateral patch of T5 absent. T6 punculate with dense long setae; lateral patch of T6 absent.  Material examined (See also Suppl. material 2: Specimens data in DarwinCore format.). Holotype female: Fukuoka Pref.: Fukuoka city, Mt. Tachibana-yama (prim. evergr. for.), 20. V. - 9. VI. 1979, K. Yamagishi leg. (YPT). Paratypes: Hiroshima Pref.: Hatsukaichi city, Yoshiwa vill., Kanmuri Highlands (weed lands), 21. VI. 2015, Y. Komeda leg., 2♂ (YPT); Fukuoka Pref.: Fukuoka city, Mt. Tachibana-yama (Pond), 11. IX. 1993, H. Honda leg., 2♂ (YPT); 18. IX. 1993, 1♂1♀ (YPT); 7. V. 1994, 1♀ (YPT); 12. VI. 1994, 1♂ (YPT); 18. VI. 1994, 7♂3♀ (YPT); 25. VI. 1994, 1♂ (YPT); 2. VII. 1994, 6♂ (YPT); Soeda town, Mt. Hiko-san, 13. V. 1955, T. Esaki, K. Yasumatsu & Y. Hirashima leg. 1♂ (with white determination label; " TrisacanthaDet. L. Masner, 1974"); 14. VI. 1969, K. Kanmiya leg. 1♂; 31. V. 1971, K. Takeno leg., 1♂; 26. VI - 4. VII. 2008, T. Mita & S. Sato leg., 1♀ (MT); 2-9, VII, 2008, T. Mita & S. Sato leg., 1♀ (MT); OitaPref., Kokonoe town, Tano, Chojabaru, 5-7, V, 2016, T. Mita leg., 11♂ (YPT).  Distribution. Japan (Honshu: Hiroshima; Kyushu: Fukuoka, Oita).  Etymology. The species name refers to a horn of T1.