Masarinae

Hermes, Marcel G. & Garcete-Barrett, Bolívar R., 2009, Revisiting the Brazilian fauna of masarine wasps: new records, an illustrated key to species and a description of the male of Trimeria rubra Hermes & Melo (Hymenoptera: Vespidae: Masarinae), Zootaxa 2162, pp. 24-36: 26-28

publication ID

http://doi.org/ 10.5281/zenodo.189004

persistent identifier

http://treatment.plazi.org/id/D55FDD52-FFEF-FF8F-BEE6-4FE92A87FB89

treatment provided by

Plazi

scientific name

Masarinae
status

 

Key to the species of Masarinae   occurring or prone to be found in Brazil

[Adapted and modified from Carpenter (1989), Garcete-Barrett & Carpenter (2000), Hermes & Melo (2006) and Sarmiento & Carpenter (2006). Species not found in Brazil are marked with an asterisk]

1 Fore wing usually with three submarginal cells ( Fig. 1 View FIGURES 1 – 4 ). Cu 1 of hind wing distant from cu-a ( Fig. 2 View FIGURES 1 – 4 ). T 1 clearly pedunculate ( Fig. 5 View FIGURES 5 – 10 ). Scutellum not projected backwards above metanotum ( Fig. 5 View FIGURES 5 – 10 ). T 3 -T 6 retractile (tribe Gayell-

ini) ................................................................................................................................................................................ 2 - Fore wing with two submarginal cells ( Fig. 3 View FIGURES 1 – 4 ). Cu 1 of hind wing forming an acute angle with cu-a ( Fig. 4 View FIGURES 1 – 4 ). T 1 not pedunculate ( Fig. 6 View FIGURES 5 – 10 ). Scutellum projected backwards above metanotum ( Fig. 6 View FIGURES 5 – 10 ). T 3 -T 6 not retractile (tribe Masarini) ..................................................................................................................................................................................... 4

2 Pronotum with posterior carina weak and extending no further dorsad than anterior carina ( Fig. 7 View FIGURES 5 – 10 ). Head with carina not extending from vertex to mandibular base. Clypeal apex closely bidenticulate, almost single pointed ( Fig. 9 View FIGURES 5 – 10 ). Propodeum without oblique carinae ( Paraguay and Brazil: Goiás, Mato Grosso and Mato Grosso do Sul) ................ ...................................................................................................................... Paramasaris richardsi (Giordani Soika)  

- Pronotum with posterior carina strong and extending much further dorsad than anterior carina ( Fig. 8 View FIGURES 5 – 10 ). Head with carina extending from vertex to mandibular base. Clypeal apex truncate ( Fig. 10 View FIGURES 5 – 10 ). Propodeum with oblique carinae ..................................................................................................................................................................................... 3

3 Pronotum with posterior carina interrupted dorsally. Female clypeus without lateral carinae ( Argentina and Brazil: Rio Grande do Sul and Santa Catarina) ....................................................... Paramasaris brasiliensis Giordani Soika  

- Pronotum with posterior carina continuous dorsally. Female clypeus with lateral carinae (subandean Colombia and Peruvian Amazonia)......................................................................................... * Paramasaris cupreus Giordani Soika  

4 Clypeus truncate and obtusely narrowed ( Fig. 11 View FIGURES 11 – 16 ). Labrum transversely truncate, hidden ( Fig. 11 View FIGURES 11 – 16 ). T 1 forming a nodular petiole ( Figs. 13, 14, 15 and 16 View FIGURES 11 – 16 ). Labial palpi with six palpomeres. Occipital carina absent. Glossa bifid closest to its base (Genus Ceramiopsis   ) ...................................................................................................................... 5

- Clypeus emarginate ( Figs. 12 View FIGURES 11 – 16 and 22 View FIGURES 17 – 22 ). Labrum apically rounded to pointed, not hidden ( Figs. 12 View FIGURES 11 – 16 and 22 View FIGURES 17 – 22 ). T 1 not forming a nodular petiole ( Fig. 46 View FIGURES 43 – 46 ). Labial palpi with three palpomeres. Occipital carina present. Glossa bifid closest to its apex (Genus Trimeria   ) ........................................................................................................................................ 6

5 T 1 finely punctate and evenly convex in profile ( Figs. 13 and 14 View FIGURES 11 – 16 ). Posteromedial depression of mesoscutum without longitudinal carina. Propodeum with a short upper horizontal surface ( Fig. 17 View FIGURES 17 – 22 ) and the concavity well-defined, deep and narrow, medially-raised and transversely striate. Glossa about as long as half the body length, with ventral processes spoon-shaped, basally dark (some bifid). Mesoscutum with three broad yellow markings ( Fig. 17 View FIGURES 17 – 22 ). Mesepisternum with upper and lower yellow spots ( Fig. 17 View FIGURES 17 – 22 ). Propodeum with a pair of yellow spots ( Fig. 17 View FIGURES 17 – 22 ). T 2 brown basally ( Figs. 13 and 14 View FIGURES 11 – 16 ). Apical yellow marking of male T 2 not broader laterally than medially. Male antenna with a dorsal subapical white spot ( Argentina, Bolivia, Paraguay and Brazil: Mato Grosso do Sul) .................................... ...................................................................................................................................... Ceramiopsis gestroi Zavattari  

- T 1 coarsely punctate and angular in profile ( Figs. 15 and 16 View FIGURES 11 – 16 ). Posteromedial depression of mesoscutum with a median longitudinal carina. Propodeum without a dorsal horizontal surface ( Fig. 18 View FIGURES 17 – 22 ) and concavity ill-defined, shallow, wide, flat and without transverse striae. Glossa longer than the length of the entire body, with ventral processes knife-shaped, translucent and simple. Mesoscutum black ( Fig. 18 View FIGURES 17 – 22 ) or at most with a very faint posterior yellow line. Mesopleuron with only upper yellow spot ( Fig. 18 View FIGURES 17 – 22 ). Propodeum entirely black ( Fig. 18 View FIGURES 17 – 22 ). T 2 black basally ( Figs. 15 and 16 View FIGURES 11 – 16 ). Apical yellow marking of male T 2 broader laterally than medially. Male antenna without white spot ( Argentina, Bolivia, Paraguay and Brazil: Mato Grosso do Sul) ....................... Ceramiopsis paraguayensis Bertoni  

6 Epicnemial carina absent ( Fig. 19 View FIGURES 17 – 22 ). Meso-metapleural carina absent. Gena simply flat ( Fig. 19 View FIGURES 17 – 22 ). Occipital carina not reaching the base of mandible. Eyes setose. Mid tibia with two apical spurs. Labrum clearly (about a third) narrower than apex of clypeus. Clypeus nearly as wide as long ( Fig. 20 View FIGURES 17 – 22 ). Head with indistinct macropunctures ( Fig. 20 View FIGURES 17 – 22 ). Male flagellum hooked apically. Male S 8 distinctly convex in lateral view. Male S 2 with a projection ( Brazil: Bahia, Minas Gerais and Rio Grande do Norte) ................................................................. Trimeria robusta Hermes & Melo  

- Epicnemial carina present ( Fig. 21 View FIGURES 17 – 22 ). Meso-metapleural carina present at least dorsally. Gena depressed to excavated ( Figs. 21 View FIGURES 17 – 22 , 23 and 25 View FIGURES 23 – 26 ). Occipital carina reaching base of mandible. Eyes bare. Mid tibia with one or (male of T. rhachiphora   ) no apical spur. Labrum at least half as wide as apex of clypeus, commonly equally wide. Clypeus nearly one and a half times as wide as long ( Fig. 22 View FIGURES 17 – 22 ). Head with distinct macropunctures ( Fig. 22 View FIGURES 17 – 22 ). Male flagellum not hooked apically. Male S 8 flat in lateral view. Male S 2 simple in most species ................................................... 7

7 Propodeum with lateral angle produced into a spine and deeply emarginate below it ( Fig. 21 View FIGURES 17 – 22 ). Tegula rounded posteriorly. Female occipital carina not raised into a translucent lamella ( Fig. 21 View FIGURES 17 – 22 ). Meso-metapleural carina not reaching mid coxa. Fore basitarsal setae curled ( Fig. 22 View FIGURES 17 – 22 ). Labrum little more than half as wide as apex of clypeus ( Fig. 22 View FIGURES 17 – 22 ) (widespread in dry/open areas of Paraguay, Argentina and Uruguay) ............... * Trimeria rhachiphora (Schletterer)  

- Propodeum with lateral angle lobate and shallowly emarginate below it ( Figs. 24 and 26 View FIGURES 23 – 26 ). Tegula pointed posteriorly. Female occipital carina raised into a translucent lamella below ( Figs. 23 and 25 View FIGURES 23 – 26 ). Meso-metapleural carina reaching the level of mid coxa ( Fig. 23 View FIGURES 23 – 26 ). Fore basitarsal setae straight. Labrum as wide as apex of clypeus ............ 8

8 Mesepisternum with indistinct macropunctures ( Figs. 23 and 24 View FIGURES 23 – 26 ). Metasomal terga with shallow macropunctures. Genal depression behind the lower half of eye ( Fig. 23 View FIGURES 23 – 26 ). Male S 2 with a projection. Small (wing length of about 4 mm) black and richly whitish spotted species with metasomal apex reddish ( Argentina, Bolivia, Paraguay and Brazil: Mato Grosso do Sul) .................................................................................................... Trimeria bequaerti Willink  

- Mesepisternum with well marked macropunctures ( Fig. 26 View FIGURES 23 – 26 ). Metasomal terga with deep macropunctures. Genal depression behind the lower two thirds of eye ( Fig. 25 View FIGURES 23 – 26 ). Male S 2 without a projection. Medium sized (wing length of

about 6 mm) species with a different general pattern: reddish on metasoma (if present) mainly restricted to basal segments ........................................................................................................................................................................... 9 9 Ventral face of mid coxa without a central tooth-like carina ( Fig. 27 View FIGURES 27 – 30 ); male with a broad rounded lobe in the corresponding place ( Fig. 28 View FIGURES 27 – 30 ). Fore femur with its base rounded off and slightly broader than apex ( Figs. 31 and 32 View FIGURES 31 – 36 ). Female scutellar disc coarsely vermiculate behind a relatively thin anterior elevated band ( Fig. 37 View FIGURES 37 – 42 ). Male S 7 flat, not emarginate posteriorly ( Fig. 43 View FIGURES 43 – 46 ). Male S 8 broadly notched at sides and single lipped apically ( Fig. 43 View FIGURES 43 – 46 ). ( Argentina, Paraguay, Uruguay and Brazil: Goiás, Mato Grosso do Sul, Minas Gerais, Paraná, Rio Grande do Sul, São Paulo) .. .............................................................................................................................................. Trimeria howardi   Bertoni

- Ventral face of mid coxa with a small tooth like carina which is quite small in the female and definitely projected in the male ( Figs. 29 and 30 View FIGURES 27 – 30 ). Fore femur with its base slightly to markedly truncate and definitely broader than apex ( Figs. 33, 34, 35 and 36 View FIGURES 31 – 36 ). Female scutellar disc variable, sculpture mostly coarse but rarely extensively vermiculate and with or without an elevated basal band ( Figs. 38, 39 and 40 View FIGURES 37 – 42 ). Male S 7 depressed and emarginate posteriorly ( Figs. 44 and 45 View FIGURES 43 – 46 ). Male S 8 straight at sides and double lipped apically ( Figs 44 and 45 View FIGURES 43 – 46 ) ......................................... 10

10 Fore femur base slightly truncate in both sexes, not angular in the male ( Figs. 33 and 34 View FIGURES 31 – 36 ). Pronotum extensively yellowish red in females and some males and with complete anterior and posterior pale bands. Male S 8 with enlarged lobelike inner (subapical) lips, almost touching each other and hiding the apical introverted section ( Fig. 44 View FIGURES 43 – 46 ) ( Brazil: Rondônia and Mato Grosso) ..................................................................................... Trimeria rubra Hermes & Melo  

- Fore femur base definitely truncate in both sexes, forming a ventral tooth in the male ( Figs. 35 and 36 View FIGURES 31 – 36 ). Pronotum never reddish, with a complete anterior yellow band but at most with just lateral traces of a posterior one. Male S 8 with reduced, well separated inner (subapical) lips which do not hide the apical introverted section ( Fig. 45 View FIGURES 43 – 46 ) ....... 11

11 Female scutellar disc wholly elevated, with a pair of discrete hairy irregularly punctured rounded depressions ( Fig. 39 View FIGURES 37 – 42 ); surrounding carina obsolete. Male scutellar disc and medial carina in side view distinctly elevated above the level of the surrounding carina which is markedly reduced and surmounted by very coarse lateral crenation posteriorly ( Fig. 41 View FIGURES 37 – 42 ) ( Argentina, Paraguay and Brazil: Goiás, Mato Grosso do Sul, Minas Gerais, Paraná, São Paulo) ........ ............................................................................................................................... Trimeria americana   (de Saussure)

- Female scutellar disc regularly convex and macropunctate, without discrete rounded hairy depressions and surrounded by a sharp carina ( Fig. 40 View FIGURES 37 – 42 ). Male scutellar disc surface and medial carina in side view gently inclined backwards to the level of the surrounding carina which is hardly reduced and hardly surmounted by the coarse lateral crenation posteriorly ( Fig. 42 View FIGURES 37 – 42 ) (Eastern Paraguay and Argentinean Mesopotamia).. * Trimeria neotropica (Mocsáry)