Akamboja gen. nov., a new genus of railroad-worm beetle endemic to the Atlantic Rainforest, with five new species (Coleoptera: Phengodidae, Mastinocerinae) Roza, André Silva Quintino, Hingrid Yara Souza Mermudes, José Ricardo Miras Silveira, Luiz Felipe Lima Da Zootaxa 2017 4306 4 501 523 Roza & Quintino & Mermudes & Silveira, 2017 Roza & Quintino & Mermudes & Silveira 2017 [151,442,547,573] Insecta Phengodidae Akamboja Animalia Coleoptera 14 515 Arthropoda species monteirorum sp. nov.   Etymology.The name is in honor to the Monteiro family, especially our dear friends, Drs. Ricardo and Margarete. Their enthusiasm and contributions to Neotropical insect ecology are noteworthy. They also helped the last author to collect specimens of three species. Genitive, plural.   Diagnosis. Male. Eyes occupying two thirds of head width, in lateral view ( Fig. 29). Apical maxillary palpomere 3.5x longer than subapical ( Fig. 29). Vertex occupying? of head in dorsal view ( Fig. 30). Elytron reaching the posterior margin of the fourth abdominal segment ( Fig. 27).   Description, male.  Measurements(n=5): Total length: 4.1–4.5 mm(aver. 4.3 mm). Head length: 0.5–0.7 mm(aver. 0.6 mm). Head width: 0.6–0.7 mm(aver. 0.6 mm). Pronotum length: 0.5–0.6 mm(aver. 0.55 mm). Pronotum maximum length: 0.5–0.6 mm(aver. 0.55 mm). Elytron length: 1.5–1.6 mm(aver. 1.55 mm). Elytron maximum width: 0.4 mm(aver. 0.4 mm). Elytral spot length: 0.2–0.3 mm(aver. 0.25 mm).  Morphology:Eyes occupying two thirds of head width, in lateral view ( Fig. 29). Vertex occupying? of head in dorsal view ( Fig. 30). Apical maxillary palpomere 3.5x longer than subapical ( Fig. 30). Head as wide as long ( Fig. 30). Elytron 3.5x longer than wide ( Fig. 27), reaching the posterior margin of the fourth abdominal segment, elytron apical spot occupying a fifth of the elytron ( Fig. 27).  Color.Body overall light brown. Pronotum dark to light brown. Elytron almost black to light brown, apex pale yellow, sometimes light brown. Wing venation black to light brown.  Immature and females.Unknown   Biology and distribution.  Akamboja monteirorum  sp. nov.seems to occur only during spring and summer. It inhabits high altitudinal areas of Itatiaia, on the Itatiaia massif, in the Serra da Mantiqueira mountain range, from  1280 to 1442m. It is found on the montane forest.   Remarks.This species resembles  Akamboja minimum  sp. nov., but can be distinguished by its bigger size, elytron (the elytron of  Akamboja minimum  sp. nov.reaches the anterior margin of the second abdominal segment, while in  Akamboja monteirorum  sp. nov.it reaches the posterior margin of the third), smaller vertex (bigger in  Akamboja minimum  sp. nov.)and its high altitude occurrence (low altitude occurrence in  Akamboja minimun  sp. nov.).  Akamboja monteirorum  sp. nov.occurs only in montane forest (from 830 mto 1442 m), while  Akamboja minimum  sp. nov.occurs in lower montane forest (below 800 m) and partially in the montane forest (beginning in 600 m).     Typematerial. Holotype(male): BRAZIL.   Rio de Janeiro. Itatiaia. Parque Nacional de Itatiaia. PENSA  RIOPt. 3, 22°25’42.6’’ S, 44°37’42,2’’ W,  1442 m, 1 male,  12.X.2013, R. Monteirocol. ( DZRJ).  Paratypes(all male): BRAZIL.   Rio de Janeiro. Itatiaia. Parque Nacional de Itatiaia.  PENSA  RIOPt. 2, 22° 25’ 59,6” S, 44° 37’ 39,7” W,  1280 m, 1 male,  12. II.2015, R. Monteirocol. ( DZRJ); PENSA  RIOPt. 3, 22°25’42.6’’ S, 44°37’42,2’’ W,  1442 m, 1 male,  7.I.2015, R. Monteirocol. ( DZRJ); Parque Nacional de Itatiaia. Setor Lago Azul, Mata, Ponto M3B, 22°27’01.10’’S, 44°36’55.30’’W,  830m, 2 males,  04.XII.2015–  06.I.2016( MNRJ). Serra Negra, 2 males,  17.VII.2012, Mermudescol ( MZSP). 1586208318 PENSA, RIO Brazil Rio de Janeiro. Itatiaia. Parque Nacional de Itatiaia. RIO Pt 14 515 2 Rio de Janeiro holotype 1586208322 2013-10-12 DZRJ R. Monteiro Brazil 1442 -22.4285 Rio de Janeiro. Itatiaia. Parque Nacional de Itatiaia 1 -44.628387 14 515 1 1 Rio de Janeiro paratype 1586208311 [869,1049,1771,1795] PENSA, RIO Brazil RIO Pt 14 515 1 Rio de Janeiro paratype 1586208314 2015-02-12 DZRJ, PENSA, RIO R. Monteiro Brazil 1280 -22.433222 RIO Pt 1 -44.627693 14 515 1 1 Rio de Janeiro paratype 1586208306 2015-01-07 DZRJ R. Monteiro Brazil 1442 -22.4285 Parque Nacional de Itatiaia 1 -44.628387 14 515 1 1 Rio de Janeiro paratype 1586208312 2012-07-17 2016-01-06 2012-07-17 MNRJ, MZSP Ponto M & Mermudes Brazil 830 -22.450306 Serra Negra 1 -44.61536 14 515 4 4 Rio de Janeiro paratype