taxonID	type	description	language	source
E6A1EA2BC18958CB96CEA03C0F49BC3A.taxon	description	Figure 1	en	Olmi, Massimo, Chen, Hua-Yan, Shih, Chungkun, Mueller, Patrick, Capradossi, Leonardo, Ren, Dong, Perkovsky, Evgeny E., Guglielmino, Adalgisa (2021): New species of Hybristodryinus Engel (Hymenoptera, Dryinidae) from mid-Cretaceous amber of northern Myanmar, with notes on their possible hosts. Journal of Hymenoptera Research 81: 43-55, DOI: http://dx.doi.org/10.3897/jhr.81.57792, URL: http://dx.doi.org/10.3897/jhr.81.57792
E6A1EA2BC18958CB96CEA03C0F49BC3A.taxon	diagnosis	Diagnosis. Male: macropterous, with antennomere 9 about six times as long as broad (Fig. 1 E); face without long deep longitudinal furrow (Fig. 1 D); posterior margin of vertex not deeply excavated medially (Fig. 1 C); lateral ocelli not touching occipital carina; notauli complete, posteriorly separated (Fig. 1 C).	en	Olmi, Massimo, Chen, Hua-Yan, Shih, Chungkun, Mueller, Patrick, Capradossi, Leonardo, Ren, Dong, Perkovsky, Evgeny E., Guglielmino, Adalgisa (2021): New species of Hybristodryinus Engel (Hymenoptera, Dryinidae) from mid-Cretaceous amber of northern Myanmar, with notes on their possible hosts. Journal of Hymenoptera Research 81: 43-55, DOI: http://dx.doi.org/10.3897/jhr.81.57792, URL: http://dx.doi.org/10.3897/jhr.81.57792
E6A1EA2BC18958CB96CEA03C0F49BC3A.taxon	description	Description. Male. Macropterous (Fig. 1 A, B); length 1.4 mm. Completely dark brown. Antenna filiform, about as long as body, with setae very short. Scape about as broad as pedicel. Antennomeres in following proportions: 5: 4: 8: 9: 9: 9: 8: 8: 6: 7. Antennomere 9 about six times as long as broad (Fig. 1 E). Head with sculpture not visible; face without long deep median longitudinal furrow; mandible with teeth not visible; frontal line not visible; occipital carina complete, laterally not reaching eyes; ocellar ratio: POL: OL: OOL: OPL = 1: 1: 2: 1; temple more than twice as long as OOL (5: 2); greatest breadth of lateral ocellus as long as OOL; posterior margin of vertex not excavated medially (Fig. 1 C); occiput deeply excavated. Palpal formula 6 / 3. Mesosoma much longer than head (30: 10) and metasoma (30: 20). Pronotum with lateral regions not protruding. Mesoscutum shiny, with sculpture not visible, slightly shorter than head (9: 10), much longer than mesoscutellum (9: 5). Notauli complete, posteriorly separated (Fig. 1 C); minimum distance between notauli longer than OOL (3: 2). Mesoscutellum shiny, with sculpture not visible. Metanotum and metapectal-propodeal complex not visible. Epicnemium not visible. Mesopleuron not visible. Fore wing hyaline, without dark transverse bands (Fig. 1 F). Stigmal vein (2 r-rs & Rs) with angle between proximal and distal parts, with distal part much longer than pterostigma (12: 8). Second radial 1 cell (2 R 1) open. Pterostigma much longer than broad (9: 2). Metacarpus (PostabR 1) slightly shorter than pterostigma (7: 9). Fore leg ratio:? (coxa not visible, because it is hidden by an air bubble): 5 (trochanter): 16 (femur): 12 (tibia): 8 (protarsomere 1): 3 (protarsomere 2): 3 (protarsomere 3): 2 (protarsomere 4): 4 (protarsomere 5). Protrochanter more than four times as long as broad (5: 1). Mid leg ratio: 7 (coxa): 4 (trochanter): 17 (femur): 15 (tibia): 9 (mesotarsomere 1): 3 (mesotarsomere 2): 2 (mesotarsomere 3): 1.5 (mesotarsomere 4): 3 (mesotarsomere 5). Mesotrochanter more than twice as long as broad (4: 1.5). Hind leg ratio: 8 (coxa): 4 (trochanter): 17 (femur): 21 (tibia): 10 (metatarsomere 1): 4 (metatarsomere 2): 3 (metatarsomere 3): 2 (metatarsomere 4): 3 (metatarsomere 5). Tibial spurs 1 / 1 / 2. Female. Unknown.	en	Olmi, Massimo, Chen, Hua-Yan, Shih, Chungkun, Mueller, Patrick, Capradossi, Leonardo, Ren, Dong, Perkovsky, Evgeny E., Guglielmino, Adalgisa (2021): New species of Hybristodryinus Engel (Hymenoptera, Dryinidae) from mid-Cretaceous amber of northern Myanmar, with notes on their possible hosts. Journal of Hymenoptera Research 81: 43-55, DOI: http://dx.doi.org/10.3897/jhr.81.57792, URL: http://dx.doi.org/10.3897/jhr.81.57792
E6A1EA2BC18958CB96CEA03C0F49BC3A.taxon	materials_examined	Material examined. Holotype: male (DAF 3869), Myanmar: specimen in mid-Cretaceous Burmese amber (about 99 Ma). Obtained from a mine situated in Northern Myanmar, Kachin State, Tanai Township, Hukawng Valley, SW of Tanai City (DAF).	en	Olmi, Massimo, Chen, Hua-Yan, Shih, Chungkun, Mueller, Patrick, Capradossi, Leonardo, Ren, Dong, Perkovsky, Evgeny E., Guglielmino, Adalgisa (2021): New species of Hybristodryinus Engel (Hymenoptera, Dryinidae) from mid-Cretaceous amber of northern Myanmar, with notes on their possible hosts. Journal of Hymenoptera Research 81: 43-55, DOI: http://dx.doi.org/10.3897/jhr.81.57792, URL: http://dx.doi.org/10.3897/jhr.81.57792
E6A1EA2BC18958CB96CEA03C0F49BC3A.taxon	etymology	Etymology. The species is named Hybristodryinus castaneus (Latin adjective meaning " brown ") because of its dark brown colour.	en	Olmi, Massimo, Chen, Hua-Yan, Shih, Chungkun, Mueller, Patrick, Capradossi, Leonardo, Ren, Dong, Perkovsky, Evgeny E., Guglielmino, Adalgisa (2021): New species of Hybristodryinus Engel (Hymenoptera, Dryinidae) from mid-Cretaceous amber of northern Myanmar, with notes on their possible hosts. Journal of Hymenoptera Research 81: 43-55, DOI: http://dx.doi.org/10.3897/jhr.81.57792, URL: http://dx.doi.org/10.3897/jhr.81.57792
114F6BA981A453D4A371910464C732E6.taxon	diagnosis	Diagnosis of the genus. Female: Macropterous; occipital carina complete; mandible quadridentate, with teeth becoming regularly progressively larger from dorsal to ventral tooth; palpal formula 6 / 3; antenna without tufts of long hairs; antennal ADOs present; disc of metapectal-propodeal complex with posterior corners strongly projected posteriorly; fore wing with three cells enclosed by pigmented veins (C, R, 1 Cu); chela with rudimentary claw; protarsomere 5 less than twice as broad as enlarged claw; enlarged claw shorter than protibia; tibial spurs 1 / 1 / 1 or 1 / 1 / 2. Male: Macropterous; antenna with scape much broader than pedicel; palpal formula 6 / 3; occipital carina complete; mandible with four irregular teeth; epicnemium visible, because lateral regions of prothorax not continuous with mesopleura; mesopleuron protruding laterally; fore wing with three cells enclosed by pigmented veins (C, R, 1 Cu), 2 r-rs & Rs vein and pterostigma; fore wing with PostabR 1 slightly shorter than pterostigma; tibial spurs 1 / 1 / 2.	en	Olmi, Massimo, Chen, Hua-Yan, Shih, Chungkun, Mueller, Patrick, Capradossi, Leonardo, Ren, Dong, Perkovsky, Evgeny E., Guglielmino, Adalgisa (2021): New species of Hybristodryinus Engel (Hymenoptera, Dryinidae) from mid-Cretaceous amber of northern Myanmar, with notes on their possible hosts. Journal of Hymenoptera Research 81: 43-55, DOI: http://dx.doi.org/10.3897/jhr.81.57792, URL: http://dx.doi.org/10.3897/jhr.81.57792
EC11012F24245F6398D34D94E886C4C0.taxon	description	Figures 2, 3	en	Olmi, Massimo, Chen, Hua-Yan, Shih, Chungkun, Mueller, Patrick, Capradossi, Leonardo, Ren, Dong, Perkovsky, Evgeny E., Guglielmino, Adalgisa (2021): New species of Hybristodryinus Engel (Hymenoptera, Dryinidae) from mid-Cretaceous amber of northern Myanmar, with notes on their possible hosts. Journal of Hymenoptera Research 81: 43-55, DOI: http://dx.doi.org/10.3897/jhr.81.57792, URL: http://dx.doi.org/10.3897/jhr.81.57792
EC11012F24245F6398D34D94E886C4C0.taxon	diagnosis	Diagnosis. Female: macropterous, with disc of pronotum shaped as an isosceles triangle; notauli incomplete, reaching about 0.7 x length of mesoscutum (Fig. 2 C).	en	Olmi, Massimo, Chen, Hua-Yan, Shih, Chungkun, Mueller, Patrick, Capradossi, Leonardo, Ren, Dong, Perkovsky, Evgeny E., Guglielmino, Adalgisa (2021): New species of Hybristodryinus Engel (Hymenoptera, Dryinidae) from mid-Cretaceous amber of northern Myanmar, with notes on their possible hosts. Journal of Hymenoptera Research 81: 43-55, DOI: http://dx.doi.org/10.3897/jhr.81.57792, URL: http://dx.doi.org/10.3897/jhr.81.57792
EC11012F24245F6398D34D94E886C4C0.taxon	description	Description. Female. Macropterous (Fig. 2 A, B); length 1.8 mm. Apparently completely brown-testaceous. Antenna clavate, apparently almost hairless; antennomeres in following proportions: 6: 4: 5: 4: 4: 3.5: 3.5: 3: 3: 4; antenna about three times as long as head (37: 12), reaching metapectal-propodeal disc. ADOs apparently present in antennomeres 6 - 10 (Fig. 2 E). Flagellomeres longer than wide; antennomere 9 about three times as long as broad. Head excavated, apparently unsculptured; clypeus not visible; mandible not visible; face slightly concave; occipital carina complete (Fig. 2 C); vertex without two longitudinal keels connecting lateral ocelli to occipital carina; occiput deeply excavated; eye normally bulging; ocellar ratio: POL: OL: OOL: OPL = 1: 2: 2: 1; temple about twice as long as OOL (4: 2); greatest breadth of lateral ocellus longer than POL (2: 1); frontal line apparently complete; palpal formula probably 6 / 3 (labial palpus not distinct). Pronotum crossed by anterior deep transverse impression between anterior collar and disc; disc humped, apparently isosceles triangle shaped, not deeply medially longitudinally excavated; posterior collar absent; anterior surface of pronotum not sculptured by longitudinal striae; sculpture of disc not distinct; pronotum shorter than head (6: 12); anterior collar of pronotum much shorter than disc (2: 4); pronotal tubercle reaching tegula. Epicnemium not visible. Mesoscutum apparently unsculptured, longer than pronotum (10: 6). Notauli incomplete, reaching about 0.7 x length of mesoscutum (Fig. 2 C). Mesoscutellum apparently unsculptured, shorter than mesoscutum (4: 10). Metanotum shorter than mesoscutellum (2: 4), with sculpture indistinct. Metapectal-propodeal complex shorter than mesoscutum (5: 10), with disc reticulate rugose, with areolae very broad, with posterior corners lamina shaped, strongly projected posteriorly (Fig. 2 D); propodeal declivity not visible. Fore wing (Fig. 2 F) apparenly hyaline, not darkened, with the usual venation of Dryininae; pterostigma much longer than broad (10: 2); second radial cell (2 R 1) open; stigmal vein (2 r-rs & Rs) regularly curved; fore wing with usual three basal cells (C, R, 1 Cu) clearly enclosed by pigmented veins. Hind wing not visible. Fore leg ratio: 7 (coxa): 5 (trochanter): 15 (femur): 9 (tibia):? (tarsus only partly visible); enlarged claw (Fig. 3 A, B) slightly shorter than protarsomere 5; protrochanter very slender and long, with long and slender proximal stalk, broadened after half-way; protrochanter less than seven times as long as broad (5: 1); protarsomere 3 produced into hook; rudimentary claw not visible; arolium not visible; enlarged claw apparently with one subapical tooth, with one row of lamellae (number of lamellae uncertain). Protarsomere 5 (Fig. 3 B) with inner side not visible; lamellae of protarsomere 5 not visible. Mid leg ratio: 5 (coxa): 3 (trochanter): 13 (femur): 12 (tibia): 16 (tarsus). Mid trochanter short and broad. Hind leg ratio: 6 (coxa): 3 (trochanter): 18 (femur): 17 (tibia): 21 (tarsus). Metasomal petiole very short. Metasoma (excluding sting (Fig. 3 C )) longer than mesosoma (39: 27). Tibial spurs 1 / 1 / 2. Male. Unknown.	en	Olmi, Massimo, Chen, Hua-Yan, Shih, Chungkun, Mueller, Patrick, Capradossi, Leonardo, Ren, Dong, Perkovsky, Evgeny E., Guglielmino, Adalgisa (2021): New species of Hybristodryinus Engel (Hymenoptera, Dryinidae) from mid-Cretaceous amber of northern Myanmar, with notes on their possible hosts. Journal of Hymenoptera Research 81: 43-55, DOI: http://dx.doi.org/10.3897/jhr.81.57792, URL: http://dx.doi.org/10.3897/jhr.81.57792
EC11012F24245F6398D34D94E886C4C0.taxon	materials_examined	Material examined. Holotype: female (CNN-HYM-MA 2017087), Myanmar: specimen in mid-Cretaceous Burmese amber (about 99 Ma). Obtained from a mine situated in Northern Myanmar, Kachin State, Tanai Township, Hukawng Valley, SW of Tanai City (CNUB).	en	Olmi, Massimo, Chen, Hua-Yan, Shih, Chungkun, Mueller, Patrick, Capradossi, Leonardo, Ren, Dong, Perkovsky, Evgeny E., Guglielmino, Adalgisa (2021): New species of Hybristodryinus Engel (Hymenoptera, Dryinidae) from mid-Cretaceous amber of northern Myanmar, with notes on their possible hosts. Journal of Hymenoptera Research 81: 43-55, DOI: http://dx.doi.org/10.3897/jhr.81.57792, URL: http://dx.doi.org/10.3897/jhr.81.57792
EC11012F24245F6398D34D94E886C4C0.taxon	etymology	Etymology. The new species is named after the late Prof. Zaifu Xu (South China Agricultural University, Guangzhou, Guangdong, China), for his important contribution to the study of Chinese Dryinidae.	en	Olmi, Massimo, Chen, Hua-Yan, Shih, Chungkun, Mueller, Patrick, Capradossi, Leonardo, Ren, Dong, Perkovsky, Evgeny E., Guglielmino, Adalgisa (2021): New species of Hybristodryinus Engel (Hymenoptera, Dryinidae) from mid-Cretaceous amber of northern Myanmar, with notes on their possible hosts. Journal of Hymenoptera Research 81: 43-55, DOI: http://dx.doi.org/10.3897/jhr.81.57792, URL: http://dx.doi.org/10.3897/jhr.81.57792
