6 m Contributions in Science, Number 495 Longino and Snelling: Central American Procryptocerus Figure 2 Torulus, clypeus, and frontal carina complex for Procryptocerus batesi (left) and P. mayri (right) 5 puncticeps (F. Smith, 1876) SPECIES ACCOUNTS 5 guianensis Weber, 1938. Procryptocerus attenuatus (F. Smith, 1876) P. batesi Forel, 1899. Costa Rica, Colombia 5 laeviventris Forel, 1899. Costa Rica, Panama. Meranoplus attenuatus F. Smith, 1876:610, pl. 11, ®g. 9. new synonymy Holotype queen: Brazil, Para [BMNH] (examined). P. belti Forel, 1899. Mexico to Panama, Ecuador. Meranoplus puncticeps F. Smith, 1876:610±611, pl. 11, *P. convexus Forel, 1904. Brazil (Amazonas, ParaÂ). ®g. 10. Holotype worker: Brazil, Para [BMNH] (ex- amined). Synonymy by Forel, 1911:262. new status Cataulacus attenuatus: Mayr, 1886:364. P. coriarius (Mayr, 1870). Costa Rica, Colombia. Cataulacus puncticeps: Mayr, 1886:364. P. eladio Longino and Snelling. Costa Rica. new Procryptocerus attenuatus: Emery, 1887:470; Kempf, species 1964a:436±437. *P. goeldii Forel, 1899. Southern Brazil, Paraguay. Procryptocerus puncticeps: Emery, 1887:470. *P. hirsutus Emery, 1896. Brazil, Guyana, Trinidad. Procryptocerus subpilosus attenuatus: Forel, 1911:262; P. hylaeus Kempf, 1951. Panama to southern Bra- Kempf, 1951:61±62. zil, Paraguay. Procryptocerus goeldii guianensis Weber, 1938:208. Ho- P. impressus Forel, 1899. Costa Rica, Panama. new lotype alate queen: Guyana, Forest Settlement, Maza- runi River (Weber) [MCZC]. Synonymy by Kempf, status, status revalidated 1964a:436±437. P. kemp® Longino and Snelling. Costa Rica, Pan- ama. new species RANGE. Brazil (AmapaÂ, Amazonas, ParaÂ, Ron- P. mayri Forel, 1899. Costa Rica to Peru, Brazil donia, Roraima), Bolivia, Peru, Guyana, Suriname, 5 reichenspergeri Santschi, 1921. new synonymy Panama, Costa Rica. P. nalini Longino and Snelling. Costa Rica, Peru. DESCRIPTION OF WORKER. Worker mea- new species surements (n 5 1, Panama): HW 1.001 (range P. paleatus Emery, 1896. Costa Rica, Panama. 1.001±1.069, n 5 3), HL 0.939, SL 0.622, EL P. pictipes Emery, 1896. Costa Rica to Bolivia, Bra- 0.257, MeL 1.203, MeW 0.706, PrW 0.539, PrL zil 0.273, PrS 0.196, PrT 0.469, MTL 0.615, PtL 5 parva Menozzi, 1935. 0.379, PtW 0.349, PpW 0.505, PtH 0.292, AL P. scabriusculus Emery, 1894. Mexico to Venezue- 1.262, AW 1.073, ASW 0.023. la. Head roughly circular in outline; frontal carina *P. schmitti Forel, 1901. Brazil, Venezuela. ends on the torulus, forming notch ventrally that *P. subpilosus (F. Smith, 1860). Brazil, Ecuador, receives inner basal projection of scape; face to ver- Guyana, Peru, Trinidad. tex margin with evenly dispersed discrete foveae; P. tortuguero Longino and Snelling. Costa Rica. interspaces subgranular with ®ne areolate etchings; new species clypeus at level of antennal insertions abruptly bent ventrad; upper margin of clypeus and entire clypeal bend longitudinally rugose, 10±12 rugae between * Species not known from Central America. antennal insertions; rugae diverge on lower portion.