Vespidae

Genaro, Julio A., 2011, Vespidae (Insecta: Hymenoptera) of Puerto Rico, West Indies, Insecta Mundi 2011 (202), pp. 1-35: 3-5

publication ID

http://doi.org/10.5281/zenodo.5161518

persistent identifier

http://treatment.plazi.org/id/03BA87A7-FFB4-FFA5-FF05-FBC8E69FFA53

treatment provided by

Felipe

scientific name

Vespidae
status

 

Key to the species of Vespidae   occurring in Greater Puerto Rico

1. Scutum with parategula, a flattened lobe projecting from posterolateral corner ( Fig. 1 View Figures 1-5 , 21, 23 View Figures 20-24 ); claws bifid (cleft at tip; Fig. 5 View Figures 1-5 ); clypeus ventrally emarginate or truncate ( Fig. 6 View Figures 6-7 ); solitary wasps ................................................................................................ Subfamily Eumeninae   , 2

— Scutum without parategula, with vertical lamella along posterolateral edge (Fig. 8, 34�35); claws simple ( Fig. 9 View Figures 9-13 �10); clypeus ventrally pointed or rounded ( Fig. 7 View Figures 6-7 ); eusocial wasps.......... .......................................................................................................... Subfamily Polistinae   , 16

2(1). Metasoma petiolate: width of segment I in dorsal view half or less that of II, and more than twice as long as wide ( Fig. 4 View Figures 1-5 )...................................................................................................... 3

— Metasoma not petiolate: width of segment I more than half that of II, much less than twice as long as wide ( Fig. 14 View Figures 14-19 �15, 25, 27)................................................................................................. 5

3(2). Propodeal orifice narrowly acute dorsally ( Fig. 19 View Figures 14-19 ); propodeal valvula enlarged, free posteriorly from submarginal carina, extending posteriorly as a rectangular lamella ( Fig. 19 View Figures 14-19 ). Mona; Puerto Rico; Culebra; St. Thomas............................................ Zethus rufinodus (Latreille)  

— Propodeal orifice broadly rounded dorsally ( Fig. 13 View Figures 9-13 ); propodeal valvula rounded and not extending posteriorly ( Fig. 3 View Figures 1-5 )....................................................................................................................... 4

4(3). Pronotum with partial oblique humeral carina ( Fig. 2 View Figures 1-5 ), with complete pretegular carina ( Fig. 2 View Figures 1-5 , 29, 30 View Figures 25-31 ). Puerto Rico; St. Thomas; St. Croix. ............................. Zeta abdominale (Drury)  

— Pronotum without oblique humeral carina ( Fig. 18 View Figures 14-19 ), without pretegular carina ( Fig. 18 View Figures 14-19 , 29 View Figures 25-31 ). Puerto Rico............................................... Omicron aridum Carpenter and Genaro   n. sp.

5(2). Anterior face of pronotum with two small, close set, deeply impressed medial foveae ( Fig. 20 View Figures 20-24 ); tegula abruptly expanded and broadly rounded posterolaterally ( Fig. 21, 23 View Figures 20-24 )......................... ...................................................................................................... Genus Parancistrocerus   , 6

— Anterior face of pronotum without two close set, deeply impressed foveae ( Fig. 16 View Figures 14-19 ); tegula longer than broad ( Fig. 17 View Figures 14-19 ). ................................................................................................................... 8

6(5). Pronotal carina absent; scutum without posteromesal yellow spot; legs black and yellow; punctation on disc of second metasomal tergum sparse with many punctures separated by more than a puncture diameter. Puerto Rico.......... Parancistrocerus obliquus (Cresson)  

— Pronotal carina present, even if interrupted; scutum with or without posteromesal yellow spot; legs reddish or black and yellow; punctation on disc of second metasomal tergum sparse or dense............................................................................................................................................ 7

7(6). Pronotal carina continuous; scutum without posteromesal yellow spot ( Fig. 21 View Figures 20-24 ); legs reddish and yellow ( Fig. 22 View Figures 20-24 ); punctation on disc of second metasomal tergum dense, with many punctures closer than a puncture diameter. Puerto Rico........ Parancistrocerus bacu (de Saussure)  

— Pronotal carina medially interrupted; scutum with posteromesal yellow spot ( Fig. 23 View Figures 20-24 ); legs black and yellow ( Fig. 24 View Figures 20-24 ); punctation on disc of second metasomal tergum sparse with many punctures separated by more than a puncture diameter. Puerto Rico; Culebra. ..................... .................................................................................... Parancistrocerus dejectus (Cresson)  

8(5). Pronotum with complete oblique humeral carina ( Fig. 30 View Figures 25-31 ); male antenna with apical two flagellomeres not hooked, greatly reduced, buttonlike, fused ( Fig. 31 View Figures 25-31 ). ................................... ............................................................................................................ Genus Pachodynerus   , 9

— Pronotum without oblique humeral carina ( Fig. 29 View Figures 25-31 ); male antenna with apical two flagellomeres hooked, not greatly reduced and buttonlike ( Fig. 28 View Figures 25-31 )............................................................. 13

9(8). First metasomal tergum with transverse carina at crest of anterior declivity ( Fig. 15 View Figures 14-19 , 25 View Figures 25-31 �26).. ................................................................................................................................................... 10

— First metasomal tergum without transverse carina ( Fig. 14 View Figures 14-19 , 27 View Figures 25-31 ). ............................................ 11

10(9). Shiny black; punctation fine, sparse, punctures separated by their diameter, or more; first metasomal tergum carina conspicuous, distinct; forewing weakly infuscate along costal margin; male clypeus yellow, at least medially. Puerto Rico; Culebra; Vieques; St. Thomas; St. John; Guana; Virgin Gorda; Anegada..................................... Pachodynerus atratus (Fabricius)  

— Dull black; punctation dense, coalescent in part; first metasomal tergum carina inconspicuous, irregular; wings deeply infuscate, with violaceous shine; male clypeus black. St. Croix; St. Thomas................................................................... Pachodynerus cinerascens (Fabricius)  

11(9). First metasomal tergum without apical yellow band; inner margins of posterior ocelli ridged, forming a more or less deep longitudinal groove in the ocellar area. Puerto Rico; Culebra; St. Thomas. ......................................................................... Pachodynerus nasidens (Latreille)  

— First metasomal tergum with transverse apical yellow band; ocellar area without ridges or groove ........................................................................................................................................ 12

12(10). Pronotum with anterior and posterior yellow bands, or wholly yellow; posterolateral angles of propodeum not projecting; scrobal apophysis of mesopleuron finger-shaped. Puerto Rico. ..... ........................................................................ Pachodynerus guadulpensis (de Saussure)  

— Dorsum of pronotum with anterior yellow band only; posterolateral angles of propodeum projecting into wedge-shaped process; scrobal apophysis of mesopleuron not finger-shaped. Mona ........................................................................... Pachodynerus tibialis (de Saussure)  

13(8). First metasomal tergum with transverse carina at crest of anterior declivity ( Fig. 25 View Figures 25-31 �26). Puerto Rico. ............................................................................... Ancistrocerus isla Carpenter   n. sp.

— First metasomal tergum without transverse carina ( Fig. 27 View Figures 25-31 ). .................................................. 14

14(13). Axillary fossa extremely narrow, slitlike; prestigma as long as pterostigma (measured along posterior border); second metasomal sternum without basomedian longitudinal sulcus. Puerto Rico. ................................................................................. Monobia puertoricensis Bequaert  

— Axillary fossa broad, not slitlike; prestigma little more than half the length of pterostigma; second metasomal sternum with basomedian longitudinal sulcus............................................ .............................................................................................................. Genus Euodynerus   , 15

15(14). Clypeus wider than long; second metasomal tergum punctate throughout. Mona ...................... .............................................................................................. Euodynerus apicalis (Cresson)  

— Clypeus as wide as long; second metasomal tergum punctate only apically. Mona. ................... ............................................................... Euodynerus jeitita Carpenter and Genaro   n. sp.

16(1). First metasomal segment in dorsal view petiolate, longer than wide ( Fig. 11 View Figures 9-13 ); propodeum with orifice rounded dorsally ( Fig. 13 View Figures 9-13 ); pronotum with dorsal carina not extending into ventral angle ( Fig. 12 View Figures 9-13 ). ............................................................................... Genus Mischocyttarus   , 17

— First metasomal segment subsessile: evenly conical in dorsal view ( Fig. 37 View Figures 32-40 �38, 40); propodeum with orifice dorsally acute ( Fig. 32 View Figures 32-40 ); pronotum with dorsal carina extending into ventral angle ( Fig. 33 View Figures 32-40 ). ........................................................................................................ Genus Polistes   ,18

17(16). Hind tarsi with inner claw only slightly longer and thicker than outer claw ( Fig. 9 View Figures 9-13 ); first metasomal segment largely black. Mona; Puerto Rico; Virgin Is. ............................................. ................................................................................. Mischocyttarus phthisicus (Fabricius)  

— Hind tarsi with inner claw longer and much thicker than outer claw ( Fig. 10 View Figures 9-13 ); metasoma ferruginous and yellow. Mona?; Puerto Rico............................................................................... ................................................................... Mischocyttarus mexicanus cubicola Richards  

18(16). First metasomal segment about as broad apically as long ( Fig. 40 View Figures 32-40 ), anteriorly nearly angular in profile ( Fig. 39 View Figures 32-40 ). Desecheo; Puerto Rico................... Polistes major Palisot de Beauvois  

— First metasomal segment longer than broad apically ( Fig. 37-38 View Figures 32-40 ), smoothly sloping in profile ( Fig. 36 View Figures 32-40 ). .................................................................................................................................... 19

19(18). Scutum black or with ferruginous spots ( Fig. 34 View Figures 32-40 ); metasomal terga with narrow apical yellow bands. Mona; Desecheo; Puerto Rico; Culebra; Vieques; St. Thomas; St. Croix; St. John; Tortola; Guana; Anegada.............................................................................. Polistes crinitus (Felton)  

— Scutum ferruginous ( Fig. 35 View Figures 32-40 ); metasomal terga with very wide apical yellow bands, covering most of terga. Puerto Rico. ........................................... Polistes minor Palisot de Beauvois