Systematic review of the firefly genus Amydetes Illiger, 1807 (Coleoptera: Lampyridae), with description of 13 new species Author Silveira, Luiz Felipe Lima Da Author Mermudes, José Ricardo M. text Zootaxa 2014 3765 3 201 248 journal article 46431 10.11646/zootaxa.3765.3.1 9dd0aaf4-2f89-49fa-a8d2-f599a4fd211a 1175-5326 252104 770E2D24-AC00-4F71-BB34-49A785C385C9 Key to the Amydetes species (adult, males) (The key encompasses only the species studied in this paper, and doesn’t include Amydetes praeusta and Amydetes detrusa ) 1. Labrum connate to fronto-clypeus, strongly bilobed, lobes acute; antennal sockets projected ( Fig. 221 )................................................................................................. Amydetes bolivari sp. nov. 1’ Labrum free, shape variable, lobes never acute; antennal sockets not projected ( Fig. 19 )............................. 2 2. Marginal costa with anterior margin not projected ( Fig. 99 )....................................................3 2’. Marginal costa with anterior margin projected ( Fig. 100 )..................................................... 13 3. Antenna more than 55-articulated, maxillary palpomere IV as long as wide.................... Amydetes solaris sp. nov. 3’ Antenna up to 45-articulated, maxillary palp at least 2x longer than III........................................... 4 4. Abdominal sternum VIII with posterior margin medially projected ( Fig. 144 )...................................... 5 4’. Abdominal sternum VIII with posterior margin straight or irregular ( Fig. 143 )..................................... 7 5. Maxillary palpomere IV at least 6x longer than III; Abdominal sternum VI with lanterns as long as 3/4 sternum lenght and nas wide as 4/5 sternum width ( Fig. 118 )................................................ Amydetes bellorum sp. nov. 1. Alar, metanotal and endoskeleta data from Amydetes fastigiata . 5’ Maxillary palpomere IV 3x longer than III; Abdominal sternum VI with lanterns up to 3/5 sternum length and width. ( Fig. 116 )....................................................................................................6 6. Antennomere III 1 /5 longer than pedicel (Fig. 43); pygidium with median lobe rounded, lateral lobe acute and weakly projected ( Fig.126 )............................................................ Amydetes apicalis Germar, 1824 6’ Antennomere III as long as pedicel (Fig. 55); pygidium with median lobe beveled, lateral lobe rudimentary ( Fig. 138 ).................................................................................... Amydetes itatiaia sp. nov. 7. Pygidium with median lobe at least discreetly beveled ( Fig. 135 )............................................... 8 7’ Pygidium with median lobe acuminate or rounded ( Fig. 140 ).................................................. 11 8. Labrum strongly bilobed; abdominal sternum VI with lantern almost as long as this sternum ( Fig. 121 )................................................................................................. Amydetes vivianii sp. nov. 8’ Labrum straight or slightly emarginate; abdominal sternum VI with lantern with up to 3/5 length of this sternum ( Fig. 123 )...................................................................................................... 9 9. Fronto-clypeus with anterior margin strongly recurved, almost up to antennal sockets, usually with a discreet median bevel ( Fig. 39 ); antennomere III as long as pedicel (Fig. 58); pronotum with posterior angle strongly deflexed ( Fig. 95 )............................................................................. Amydetes vagalume sp. nov. 9’ Fronto-clypeus with anterior margin slightly recurved, apart from antennal socket at least antennal socket 1/2 length ( Fig. 32 ); antennomere III slightly longer than pedicel (Fig. 51); pronotum with posterior angle fairly straight ( Fig. 88 ).......... 10 10. Maxillary palpomere IV 1 /3 longer than labial palpomere III; abdominal sternum VI with lantern 1/2 width of this sternum ( Fig. 116 ); abdominal sternum IX 1 /3 longer than syntergite, parameres separete; phallum without subapical indentations ( Figs. 184–187 ).................................................................. Amydetes caetite sp. nov. 10’ Maxillary palpomere IV as long as labial palpomere III; abdominal sternum VI with lantern with less than 1/3 sternum width ( Fig. 117 ); abdominal sternum IX 2x longer than syntergite, parameres close-set; phallum with subapical indentations ( Fig. 188–191 )...................................................................... Amydetes lucernula sp. nov. 11. Antennomere III as long as pedicel (Fig. 57), pronotum with posterior angle deflexed ( Fig. 94 )..................................................................................................... Amydetes marajoara sp. nov. 11’ Antennomere III at least 1/5 longer than pedicel (Fig. 42), pronotum with posterior angle fairly straight ( Fig. 79 )........ 12 12. Fronto-clypeus strongly depressed up to antennal sockets, with carinae convergent posteriad; pronotum with posterior angle weakly projected (Fig. 61); hypomeron 2x longer than high ( Fig. 89 ); pygidium with median lobe longer than lateral lobe ( Fig. 125 )........................................................................ Amydetes agnita Olivier, 1907 12’ Fronto-clypeus slightly depressed up to antennal sockets, without carinae; pronotum with posterior angle well projected (Fig. 68); hypomeron 1.5x longer than high ( Fig. 86 ); pygidium with median lobe as long as lateral lobe ( Fig. 132 )............................................................................................. Amydetes goiana sp. nov. 13. Antennomere III with flabellum as long as antennomere III (Fig. 44)........................................... 14 13’ Antennomere III with flabellum notably longer antennomere III (Fig. 45)........................................ 15 14. Pronotum with posterior angle deflexed ( Fig. 81 ); maxillary palpomere VI 4x longer than III; indentation between lobes median and lateral rudimentary ( Fig. 127 )......................................... Amydetes discissa Olivier, 1908 14’ Pronotum with posterior angle fairly straight ( Fig. 88 ); maxillary palpomere VI 2x longer than III; pygidium with lateral lobe weakly developed, acute, indentation between lobes median and lateral weakly developed ( Fig. 133 )................................................................................................ .. Amydetes manezinha sp. nov. 15. Abdominal sternum V with posterior margin discreet or strongly emarginate ( Figs. 110 and 111 ).................... 16 15’ Abdominal sternum V with posterior margin straight ( Fig. 112 )............................................... 17 16. Gular sutures as separeted as 1/2 maxillary palpomere IV width ( Fig. 20 ); hypomeron 2x longer than high ( Fig. 82 ); abdominal sternum with posterior margin strongly emarginate; abdominal sternum VI with lantern as long as 3/5 sternum length and as wide as 3/5 sternum width ( Fig. 110 )............................................ Amydetes fastigiata Illiger, 1807 16’ Gular sutures as separeted as maxillary palpomere IV width; Hypomeron 1.5x longer than high ( Fig. 83 ); abdominal sternum with posterior margin discreetly emarginate; abdominal sternum VI with lantern almost as long as wide as sternum ( Fig. 111 )....................................................................... Amydetes fucata Motschulsky, 1854 17. Pronotum with posterior angle obtuse (Fig. 66).................................. Amydetes lucioloides Olivier, 1888 17’. Pronotum with posterior angle acute (Fig. 72).............................................................. 18 18. Maxillary palpomere IV 2x longer than III; abdominal sternum VI with lantern almost as long and wide as sternum ( Fig. 118 )............................................................................ Amydetes plaumanni sp. nov. 18’ Maxillary palpomere IV 4x longer than III; abdominal sternum VI with lantern as long as 3/4 sternum length and as wide as 1/ 2 sternum width ( Fig. 122 )........................................................... Amydetes luzecu sp. nov.