Palpostilpnus Aubert, 1961

Reshchikov, Alexey, Santos, Bernardo F., Liu, Jing-Xian & Barthélémy, Christophe, 2019, Review of Palpostilpnus Aubert (Hymenoptera, Ichneumonidae, Phygadeuontinae), with the description of ten new species, European Journal of Taxonomy 582, pp. 1-63 : 58-59

publication ID	https://doi.org/ 10.5852/ejt.2019.582
publication LSID	lsid:zoobank.org:pub:6DF295A1-1E15-454A-B122-AE4AB4553D17
DOI	https://doi.org/10.5281/zenodo.5672506
persistent identifier	https://treatment.plazi.org/id/324187BE-3B10-4C73-FF69-FDA89A34CB3B
treatment provided by	Plazi
scientific name	Palpostilpnus Aubert, 1961
status

Treatment

Key to world species of Palpostilpnus Aubert, 1961 View in CoL View at ENA

1. Fore wing with infuscate transverse band ( Figs 11A View Fig , 12E View Fig , 23B View Fig , 24A View Fig , 27A View Fig ).................................2

– Fore wing lacking infuscate transverse band ( Figs 5A View Fig , 6H View Fig , 7A View Fig , 9A View Fig , 10H View Fig , 13A View Fig , 14G View Fig , 15A View Fig , 16D View Fig , 17A View Fig , 18D View Fig , 19A View Fig , 20A View Fig , 21H View Fig , 22A View Fig , 23A View Fig , 25A View Fig , 26F View Fig )..............................................................................5

2. Fore wing with one infuscate transverse band ( Figs 11A View Fig , 12E View Fig , 24A View Fig ). Antenna without median white band ( Figs 11A View Fig , 24A View Fig ). T2 with coarse punctures ( Fig. 12A View Fig ). Propodeum sloping gradually......3

– Fore wing with two infuscate transverse bands ( Figs 23B View Fig , 27A View Fig ). Antenna with median white band ( Figs 23B View Fig , 27A View Fig ). T2 with fine punctures. Propodeum sloping steeply.................................4

3. Mesosoma mostly reddish ( Fig. 25A View Fig ). Infuscate transverse band of fore wing rather distal. Hind tarsus brown, with white basitarsus. Body shallowly and sparsely punctate. Ovipositor as long as hind basitarsus. T1 about 3 times as long as apically broad ..................... P. rufinator ( Aubert, 1961)

– Mesosoma black ( Fig. 11A, D View Fig ). Infuscate transverse band of fore wing on distal 0.6 ( Fig. 12E View Fig ). Hind tarsus white. Body coarsely and densely punctate. Ovipositor 1.4 times as long as hind basitarsus. T1 1.8 times as long as apically broad ( Fig. 11C View Fig ) ................................ P. mangrovi sp. nov.

4. Frons, mesonotum and mesosternum transversally striated, shiny. Ovipositor 1.5 times as long as hind basitarsus (28A) .................................................................................. P. striator ( Aubert, 1961) View in CoL

– Frons, mesonotum and mesosternum finely punctate, entirely dull. Ovipositor 2.1 times as long as hind basitarsus ( Fig. 24B View Fig ) ................................................................... P. papuator ( Aubert, 1961) View in CoL

5. Occipital carina broadly absent dorsally ( Fig. 14F View Fig ). T1 short and stout, 1.5 times as long as apically broad ( Fig. 13D View Fig ) ........................................................................... P. pterodactylus sp. nov.

– Occipital carina complete dorsally ( Fig. 10G View Fig ). T1 longer, 1.7–2.35 times as long as apically broad ( Figs 9D View Fig , 17D View Fig , 20D View Fig )..............................................................................................................6

6. Combined area of propodeum (area superomedia and area petiolaris) absent or, if present, anteriorly open ( Figs 6C View Fig , 10C View Fig , 16A View Fig , 18B View Fig , 21C View Fig ) .................................................................................7

– Combined area of propodeum (area superomedia and area petiolaris) present and anteriorly closed ( Fig. 22D View Fig ) ...........................................................................................................................14

7. T2 (or T3–T4) with a pair of small black spots laterally ( Fig. 10B View Fig )..........................................8 – T2–T4 with a transverse central black band, or entirely black ( Figs 18A View Fig , 21B View Fig )........................9

8. Mesosoma black, with yellow marks. Mesoscutum with coarse granulose texture and distinct fine punctures .............................................................................. P. maculatus Sheng & Sun, 2013

– Mesosoma yellow, with lower part of mesopleuron and prescutellar groove black ( Fig. 9C, E View Fig ). Mesoscutum with fine leathery texture and indistinct punctures ( Fig. 9E View Fig ) ...... P. hainanensis sp. nov.

9. Mesoscutum black, with anterior portion laterally yellow ( Figs 17C, E View Fig , 20C, E View Fig )........................10 – Mesoscutum mostly yellow or brown, with black marks ( Figs 5E View Fig , 15E View Fig )....................................11

10. Propodeum with area postero-externa complete ( Fig. 21C View Fig ). Scutellum entirely black ( Fig. 20E View Fig ). Ovipositor 0.9 times as long as hind basitarsus .................................................. P. trifolium sp. nov.

– Propodeum with area postero-externa incomplete ( Figs 18B View Fig , 19D View Fig ). Scutellum laterally yellow ( Fig. 17E View Fig ). Ovipositor 3.5 times as long as hind basitarsus ................................. P. tamasek sp. nov.

11. Epicnemial carina absent ( Fig. 15C View Fig ). Hind tibia apically ferruginous ( Fig. 15A View Fig ) .... P. ranui sp. nov. – Epicnemial carina present ( Fig. 5C View Fig ). Hind tibia apically black or entirely black ( Figs 5A View Fig , 6D View Fig ).....12

12. Mesoscutum with black marks ( Fig. 5E View Fig ). T1 entirely black ( Fig. 6A View Fig ). Area postero-externa absent ( Fig. 6C View Fig ) .......................................................................................................... P. aki sp. nov.

– Mesoscutum yellowish, without black marks ( Figs 7E View Fig , 25E View Fig ). T1 testaceous with postpetiole brown ( Figs 7D View Fig , 25D View Fig ). Area postero-externa present ( Figs 8C View Fig , 26B View Fig )........................................................13

13. Postero-ocellar distance 2.0 times as long as ocular-ocellar distance ( Fig. 8G View Fig ). Mesosoma elongate, about 1.50 times as long as high (7C). Hind part of T2 coloured black as a lens, T3 and T4 transversally coloured black in their middle ( Fig. 8 View Fig A–B) ...................................... P. angka sp. nov.

– Postero-ocellar distance 3.6 times as long as ocular-ocellar distance ( Fig. 26E View Fig ). Mesosoma short, about 1.25 times as long as high ( Fig. 26C View Fig ). Hind part of T2–T4 coloured black as a band ( Fig. 26A View Fig ) ..................................................................................... P. singaporensis sp. nov.

14. Mesosoma and metasoma entirely black ( Fig. 23A View Fig ).....................................................................15 – Mesosoma and metasoma black with yellow colouration ( Fig. 22A View Fig )............................................16

15. Antenna with 34 flagellomeres. Lower side of hind femur without tubercles. Ovipositor sheath shorter than apical depth of metasoma. Antenna with middle flagellomeres coloured white dorsally. Hind tarsus testaceous ....................................................................... P. brevis Sheng & Broad, 2011

– Antenna with 22 flagellomeres. Lower side of hind femur with basal tubercle. Ovipositor sheath longer than apical depth of metasoma. Antenna with middle flagellomeres coloured entirely brownish ( Fig. 23A View Fig ). Hind tarsus black .................................................... P. palpator ( Aubert, 1961) View in CoL

16. Mesoscutum with large, shallow punctures ( Fig. 22E View Fig ). Postero-ocellar distance 3.4 times as long as ocular-ocellar distance ( Fig. 22E View Fig ) ...................................................................... P. angkor sp. nov.

– Mesoscutum densely reticulate-punctate. Postero-ocellar distance 1.25 times as long as ocularocellar distance ................................................................................ P. rotundatus Sheng & Sun, 2013