Revision of the New World species of the genus Dinotrema (Hymenoptera: Braconidae: Alysiinae) Author Peris-Felipo, Frаncisco Jаvier Author Belokobylskij, Sergey А. text Zootaxa 2018 2018-02-20 4382 1 1 55 journal article 30709 10.11646/zootaxa.4382.1.1 3b3ee0c1-182b-441f-983d-b0d815db6174 1175-5326 1181466 1A2624BD-D19B-459B-B2AC-1B173F4D2AC0 Key to Nearctic and Neotropical species of Dinotrema 1. Propodeum entirely or mainly smooth ( Figs 4B , 16A , 22A )................................................... 2 - Propodeum width complete or short median carinae or widely and entirely sculptured; sometimes additionally with complete longitudinal median carina or large and distinctly delineated areola............................................. 4 2(1). Head in dorsal view 1.2 × as wide as median length ( Fig. 15F ). Mesosoma in lateral view 1.6 × as long as high ( Fig. 15B ). Eye in lateral view 0.8 × as wide as temple medially ( Fig. 15B ). Hind femur 2.5 × as long as its maximum width ( Fig. 16B ). First metasomal tergite 2.8 × as long as its apical width ( Fig. 16A ). Propodeal spiracles large, its diameter 0.6 × as wide as distance from spiracle to anterior margin of propodeum ( Fig. 16A ). [Antenna 13-segmented. Body length 2.1 mm ]. U.S.A.......................................................................................... D. floridensis ( Shenefelt) - Head in dorsal view 1.7–1.8 × as wide as median length ( Figs. 3F , 21F ). Mesosoma in lateral view 1.0–1.1 × as long as high ( Figs. 3B , 21B ). Eye in lateral view 2.0–3.8 × as wide as temple medially ( Figs. 3B , 21B ). Hind femur 4.0–4.5 × as long as its maximum width ( Figs. 4C , 22C ). First metasomal tergite 0.8–2.0 × as long as its apical width ( Figs. 4B , 22B ). Propodeal spiracles small, its diameter 0.2–0.3 × as wide as distance from spiracle to anterior margin of propodeum ( Figs. 4B , 22A )..... 3 3(2). First metasomal tergite 2.0 × as long as its apical width ( Fig. 22B ). Eye in lateral view 2.0 × as wide as temple medially ( Fig. 21B ). Mandible as long as its maximum width ( Fig. 21C ). First flagellar segment 2.5 × as long as its maximum width ( Fig. 21D ). Apical flagellar segments same colour as middle segments ( Fig. 21D ). Hind femur 4.0 × as long as its maximum width (Fid. 22C). Antenna 20-segmented. Body length 1.7 mm . U.S.A............................... D. lobidens (Fischer) - First metasomal tergite 0.8 × as long as its apical width ( Fig. 4B ). Eye in lateral view 3.8 × as wide as temple medially ( Fig. 3B ). Mandible 1.3 × as long as its maximum width ( Fig. 3C ). First flagellar segment 4.0 × as long as its maximum width ( Fig. 3D ). Apical flagellar segments paler than middle segments ( Fig. 3D ). Hind femur 4.5 × as long as its maximum width ( Fig. 4C ). Antenna 21-segmented. Body length 1.6 mm . U.S.A................................... D. armillariae (Fischer) 4(1). Propodeum with distinctly delineated areola ( Figs. 30A , 40F ).................................................. 5 - Propodeum without delineated areola.................................................................... 6 5(1). Two teeth of mandible visible in lateral view ( Fig. 40A ). Mandible 1.7 × as long as its maximum width ( Fig. 40A ). Apical flagellar segments same colour as middle segments ( Fig. 40C ). First flagellar segment 2.5–3.0 × as long as its maximum width ( Fig. 40C ). Eye in lateral view 1.3 × as wide as temple medially ( Fig. 40E ). First metasomal tergite 1.4 × as long as its apical width ( Fig. 41A ). Antenna 17-segmented. Body length 1.6–2.0 mm. Brazil............... D. subbidentatum Peris-Felipo - Three teeth of mandible visible in lateral view ( Fig. 29C ). Mandible 1.3 × as long as its maximum width ( Fig. 29C ). Apical flagellar segments paler than middle segments ( Fig. 29D ). First flagellar segment 3.5 × as long as its maximum width ( Fig. 29D ). Eye in lateral view 1.8 × as wide as temple medially ( Fig. 29F ). First metasomal tergite 3.0 × as long as its apical width ( Fig. 30B ). Antenna 23-segmented. Body length 2.0– 2.2 mm . Brazil............................ D. plaumanni Peris-Felipo 6(4). Mesoscutal pit absent ( Figs. 13F , 23F , 31F )................................................................ 7 - Mesoscutal pit present................................................................................. 9 7(6). Precoxal sulcus long, reaching anterior margin of mesopleuron ( Fig. 31B ). Posterior mesopleural furrow completely crenulated ( Fig. 31B ). First metasomal tergite 1.5 × as long as its apical width ( Fig. 32A ). Propodeal spiracles large, its diameter 0.6 × as wide as distance from spiracle to anterior margin of propodeum ( Fig. 32A ). Antenna 18-segmented. Body length 2.2 mm . U.S.A............................................................................... D. saileri (Fischer) - Precoxal sulcus short, not reaching anterior margin of mesopleuron ( Figs. 21B , 23B ). Posterior mesopleural furrow mainly smooth or weakly crenulated below ( Figs. 21B , 23B ). First metasomal tergite 2.1–2.5 × as long as its apical width ( Figs. 22B , 24B ). Propodeal spiracles small, its diameter 0.2–0.3 × as wide as distance from spiracle to anterior margin of propodeum ( Figs. 22A , 24A )..................................................................................... 8 8(7). First metasomal tergite 2.1 × as long as its apical width ( Fig. 14A ). Eye in lateral view as wide as temple medially ( Fig. 13B ). First flagellar segment 3.3 × as long as its maximum width ( Fig. 13D ). Apical flagellar segment 3.6 × as long as its maximum width ( Fig. 13D ). Face 2.3 × as wide as high ( Fig. 13E ). Propodeum mainly or widely smooth and with complete median longitudinal carina ( Fig. 14A ). Antenna 19-segmented. Body length 1.2 mm . U.S.A................. D. ephemera (Viereck) - First metasomal tergite 2.5 × as long as its apical width ( Fig. 24B ). Eye in lateral view 1.3 × as wide as temple medially ( Fig. 23B ). First flagellar segment 3.0 × as long as its maximum width ( Fig. 23D ). Apical flagellar segment 2.7 × as long as its maximum width ( Fig. 23D ). Face 2.6 × as wide as high ( Fig. 23D ). Propodeum widely or entirely sculptured ( Fig. 24A ). Antenna 23-segmented. Body length 2.2 mm .] U.S.A.............................................. D. longibasis (Fischer) 9(6). Propodeal spiracles large, its diameter 0.6–0.7 × as wide as distance from spiracle to anterior margin of propodeum ( Figs. 34A , 36A ).............................................................................................. 10 - Propodeal spiracles small, its diameter 0.2–0.3 × as wide as distance from spiracle to anterior margin of propodeum...... 11 10(9). Mandible 0.9 × as long as its maximum width ( Fig. 35C ). Hind femur 4.0 × as long as its maximum width ( Fig. 36B ). First metasomal tergite 2.0 × as long as its apical width ( Fig. 36A ). Eye in lateral view as wide as temple medially ( Fig. 35B ). Face 2.4 × as wide as high ( Fig. 35E ). Antenna 19-segmented. Body length 1.8 mm . U.S.A.............. D. signifrons Viereck - Mandible 1.2 × as long as its maximum width ( Fig. 33C ). Hind femur 3.4 × as long as its maximum width ( Fig. 34B ). First metasomal tergite 1.6 × as long as its apical width ( Fig. 34A ). Eye in lateral view 1.3 × as wide as temple medially ( Fig. 33B ). Face 2.7 × as wide as high ( Fig. 33E ). Antenna with more than 15 segments (apical segments missing). Body length 2.3 mm . U.S.A............................................................................. D. shannoni (Fischer) 11(9). Posterior mesopleural furrow completely crenulated ( Fig. 42B ). Antenna 26-segmented. Body length 2.9 mm . U.S.A.......................................................................................... D. sylvaticae (Fischer) - Posterior mesopleural furrow smooth.................................................................... 12 12(11). First metasomal tergite 1.5–2.0 × as long as its apical width.................................................. 13 - First metasomal tergite 2.3–3.9 × as long as its apical width................................................... 18 13(12). Mandible 1.7 × as long as its maximum width ( Fig. 11C ). First flagellar segment 2.2 × as long as its maximum width ( Fig. 11D ). Antenna with more than 14 segments (apical segments missing). Body length 1.6 mm .] U.S.A.... D. disstriae (Fischer) - Mandible 1.0–1.3 × as long as its maximum width. First flagellar segment 3.0–4.0 × as long as its maximum width...... 14 14(13). First flagellar segment 3.0–3.2 × as long as its maximum width ( Figs. 5D , 9D )................................... 15 - First flagellar segment 3.8–4.0 × as long as its maximum width ( Fig. 1D )........................................ 17 15(14). Mandible as long as its maximum width ( Fig. 5C ). First metasomal tergite 1.5 × as long as its apical width ( Fig. 5D ). Hind femur 3.5–3.6 × as long as its maximum width ( Fig. 6D ). [Antenna 17–20-segmented. Body length 1.6 mm .] U.S.A......... ................................................................................ D. caudatulum (Fischer) - Mandible 1.2–1.3 × as long as its maximum width ( Figs. 9C , 27C ). First metasomal tergite 1.8–2.0 × as long as its apical width ( Figs. 10B , 27D ). Hind femur 3.8–3.9 × as long as its maximum width ( Figs. 10C , 28B )............................ 16 16(15). Propodeum mainly or widely smooth, with complete median longitudinal carina ( Fig. 28A ). Face 2.2 × as wide as high ( Fig. 27E ). Clypeus 3.1 × as wide as high ( Fig. 27E ). Prescutellar depression (scutellar sulcus) without lateral carinae ( Fig. 27F ). Radial (marginal) cell 4.0 × as long as its maximum width. Vein r2 (3-SR) 3.3 × as long as vein cuqu1 (2-SR) ( Fig. 28C ). Antenna 24-segmented. Body length 1.8 mm . U.S.A........................................ D. pauperum (Fischer) - Propodeum mainly sculptured, with complete median longitudinal carina ( Fig. 10A ). Face 1.5 × as wide as high ( Fig. 9E ). Clypeus 2.1 × as wide as high ( Fig. 9E ). Prescutellar depression (scutellar sulcus) with lateral carinae ( Fig. 9F ). Radial (marginal) cell 3.6 × as long as its maximum width. Vein r2 (3-SR) 2.1 × as long as vein cuqu1 (2-SR) ( Fig. 10D ). Antenna 22-segmented. Body length 2.0 mm. U.S.A.................................................... D. communis (Fischer) 17(14). Propodeum sculptured, without median longitudinal carinae and with carinae reaching propodeal edges ( Fig. 19F ). First flagellar segment 4.0 × as long as its maximum width. Radial (marginal) cell 3.6 × as long as its maximum width. Vein r3 (SR1) 2.2 × as long as vein r2 (3-SR) ( Fig. 20B ). [Antenna completely missing.] Body length 1.9–2.1 mm . Canada , U.S.A. ............................................................................................ D. latitergum (Fischer) - Propodeum mainly smooth with complete median longitudinal carinae and with short subtransverse carinae emerging from median carina, but far distant from propodeal edges ( Fig. 2B ). First flagellar segment 3.3 × as long as its maximum width ( Fig. 1D ). Radial (marginal) cell 4.3 × as long as its maximum width. Vein r3 (SR1) 2.7 × as long as vein r2 (3-SR) ( Fig. 2E ). Antenna 20-segmented. Body length 1.8 mm . Canada , U.S.A. ............................ D. angusticorne (Fischer) 18(12). First flagellar segment 5.5 × as long as its maximum width ( Fig. 44D ). Face 1.2 × as wide as high ( Fig. 44C ). [Antenna 18- segmented. Body length 1.3–1.4 mm ]. Brazil......................................... D. teutoniaense Peris-Felipo - First flagellar segment 3.0–3.8 × as long as its maximum width. Face 1.7–1.9 × as wide as high..................... 19 19(18). First metasomal tergite 2.3–2.5 × as long as its apical width. First flagellar segment 3.0–3.2 × as long as its maximum width. Eye in lateral view 1.1–1.2 × as wide as temple medially.................................................... 20 - First metasomal tergite 3.1–3.9 × as long as its apical width. First flagellar segment 3.5–3.8 × as long as its maximum width. Eye in lateral view 1.5–1.9 × as wide as temple medially.................................................... 21 20(19). Propodeum completely sculptured, without longitudinal and subtransverse carinae ( Fig. 38B ). Prescutellar depression (scutellar sulcus) with lateral carinae ( Fig. 38A ). Vein r2 (3-SR) 2.4 × as long as vein cuqu1 (2-SR); vein r3 (SR1) 2.6 × as long as vein r2 (3-SR) ( Fig. 38D ). Antenna with more than 13 segments (apical segments missing). Body length 1.4 mm . Canada , U.S.A. ....................................................................... D. stenostigma (Provancher) - Propodeum mainly smooth with complete median longitudinal carinae and with short subtransverse carinae emerging from median carina, but far distant from propodeal edges ( Fig. 8B ). Prescutellar depression (scutellar sulcus) without lateral carinae ( Fig. 8A ). Vein r2 (3-SR) 2.7 × as long as vein cuqu1 (2-SR); vein r3 (SR1) 2.1 × as long as vein r2 (3-SR) ( Fig. 8E ). Antenna more than 12-segmented (apical segments missing. Body length 2.0 mm. U.S.A.................. D. clayensis (Fischer) 21(19). First metasomal tergite 3.1 × as long as its apical width ( Fig. 26E ). First flagellar segment 3.8 × as long as its maximum width ( Fig. 25E ). Head in dorsal view 1.6 × as wide as median length ( Fig. 26A ). Clypeus 2.3 × as wide as high ( Fig. 25F ). Propodeum completely sculptured, without median longitudinal carina ( Fig. 26D ). Antenna 23-segmented. Body length 1.5–2.0 mm. Argentina , Brazil ............................................................. D. multiareolatum Peris Felipo - First metasomal tergite 3.9 × as long as its apical width ( Fig. 18B ). First flagellar segment 3.5 × as long as its maximum width ( Fig. 17D ). Head in dorsal view 2.0 × as wide as median length ( Fig. 17D ). Clypeus 3.5 × as wide as high ( Fig. 17E ). Propodeum mainly smooth and with complete median longitudinal carina ( Fig. 18A ). Antenna 17-segmented. Body length 2.6 mm . U.S.A............................................................................. D. foliformis (Fischer)