A new species of Falsocaenia Pic, 1922 from Amazonian Rainforest (Coleoptera: Lycidae) with an updated key to the species Author Ferreira, Vinicius S. text Zootaxa 2016 4105 5 497 499 journal article 39182 10.11646/zootaxa.4105.5.6 694deeec-4f24-4d8c-9211-29e2400e46b1 1175-5326 262060 42DA2EE1-5053-4D1E-9A05-1A58CCFBDF6D Updated key to the species of Falsocaenia (modified from Bocákova et al. 2012 ) 1. Elytra widened distally ...................................................................................................................................................................... 3 - Elytra slender, each elytron parallel–sided........................................................................................................................................ 2 2. Transverse yellow stripe on elytra broad, present in posterior 1/2–4/5 of elytra ......................... F. excavatipes Pic, 1938 ( Bolivia ) - Transverse yellow stripe on elytra slender, present in posterior 1/2–7/12 of elytra ............................ F. g r i s e a Kleine, 1951 ( Peru ) 3. Each elytron in posterior 1/3 twice wider than humeral width, parameres as long as 3/4 of phallus, reaching to apical phallic con- striction ....................................................................................................................................... F. meridana Pic, 1922 ( Venezuela ) - Elytra slenderer, up to 1.7x wider in posterior 1/3 than humeral width............................................................................................4 4. Longitudinal and transverse elytral costae orange, inner cells dark brown, distal portion of phallus slender, oval ........................... ....................................................................................................................................... F. aurantiacocostata Pic, 1932 ( Colombia ) - Elytral coloration forming unicoloured portions, distal enlargement of phallus almost circular ..................................................... 5 5. Whole elytra orange, only basal sutural stripe slightly infuscate, distal enlargement of phallus circular .......................................... ................................................................................................................. F. decipiens (Gorham, 1884) ( Panama and Costa Rica ) - Elytra partly dark brown to black......................................................................................................................................................6 6. Except paired yellow spots elytra dark brown .................................................................................................................................. 7 - Yellow portions of elytra large, usually forming transverse or longitudinal stripes. ........................................................................ 8 7. Only posterior spots in apical 1/6 of elytra yellow, distal enlargement of phallus circular, wider than parameres in posterior 1/3 ... ................................................................................................................................. F. melanopteron Bocákova, 2012 ( Colombia ) - Most of elytra black, only humeral spots yellow ............................................................................................................................ 13 8. Elytral apex yellow .................................................................................................................... F. longehumeralis Pic, 1931 ( Peru ) - Elytral apex dark brown to black ......................................................................................................................................................9 9. Parameres reaching apical 1/8 of phallus, elytra largely yellow, only basal 3/5 of suture, two transverse median spots, and apical 1/6 of elytra dark brown ................................................................................................................ F. irregularis Pic, 1931 ( Bolivia ) - Parameres shorter ............................................................................................................................................................................ 10 10. Basal 3/5 of elytra largely yellow, only sutural region in basal quarter dark brown, male genitalia slender, distal enlargement cir- cular. ........................................................................................................................................ F. paranana (Pic, 1922) ( Argentina ) - Basal 3/5 of elytra with longitudinal black stripes..........................................................................................................................11 11. Each elytron with a yellow transverse stripe behind elytral midlength ..........................................................................................12 - Each elytron with a longitudinal black stripe............................................................................ F. incognitus Kleine, 1942 ( Brazil ) 12. Pronotum with whole lateral margins yellow, elytra with a transverse black stripe in basal 1/5–1/2, distal enlargement of phallus circular to transversely oval ...................................................................................F. apicicornis (Pic, 1922) ( Peru and Colombia ) - Yellow lateral margins of pronotum slender, each elytron with longitudinal yellow stripe along primary costa 3............................ .................................................................................................................................................. F. diversecostata Pic, 1931 ( Bolivia ) 13. Pronotum margin with lateral and apex of antennnomere XI yellow ..................................................... F . veracruzi n. sp. ( Brazil ) - Pronotum margin and apex of antennnomere XI black.............................................. F . ecuadorensis Bocákova, 2012 ( Ecuador )