Rosalba Thomson 1864
Creators: name: Santos-Silva, Antonio
name: Galileo, Maria Helena M.
name: Joly, Luis J.
name: Tavakilian, Gérard L.
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Cerambycidae
Rosalba

description: Key to species of Rosalba
(Except R. indistincta (Breuning, 1940), due to the impossibility of the correct identification of the species)
1. Elytra with longitudinal pubescent bands from base to apex or nearly so, not interrupted by transverse or oblique pubescent band................................................................................................ 2
- Elytra without longitudinal pubescent bands or with bands interrupted by transverse or oblique pubescent band........... 4
2(1). Innermost and outermost longitudinal pubescent bands of elytra fused distally in a wide area covering elytral apex (Fig. 82). Brazil (Minas Gerais, São Paulo, Paraná, Santa Catarina)................................. R. strandi (Breuning, 1943)
- Innermost and outermost longitudinal pubescent bands of elytra not or slightly fused near apex, and not forming wide area cov- ering elytral apex...................................................................................... 3
3(2). Pronotal and elytral longitudinal pubescent bands about as wide as diameter of antennomere III; femora thick (Fig. 92). Vene- zuela and French Guiana.............................................................. R. stenodesma sp. nov.
- Pronotal and elytral longitudinal pubescent bands narrower than diameter of antennomere III; femora slender (Fig. 29). Colombia ............................................................................... R. birai sp. nov.
4(1). Elytral pubescence not forming distinct longitudinal and/or transverse or oblique bands, but with irregular pubescent bands 5
- Elytral pubescence forming distinct longitudinal and/or transverse or oblique bands (the latter sometimes very wide)...... 12
5(4). Pronotum without longitudinal pubescent bands............................................................. 6
- Pronotum with longitudinal pubescent bands................................................................ 7
6(5). Elytral apex notably oblique, giving acute appearance to this region (Fig. 65). Bolivia R. incrustabilis Galileo & Martins, 2006
- Elytral apex straightly truncate (Fig. 80). Brazil (Minas Gerais, Espírito Santo, Rio de Janeiro, São Paulo, Santa Catarina).............................................................................. R. smaragdina (Breuning, 1940)
7(5). Prothorax with large blunt tubercle laterally. Brazil ................................ R. suiaba Martins & Galileo, 2009
- Prothorax, at most, with small, slightly conspicuous lateral tubercle.............................................. 8
8(7). Antennomeres without pubescent ring covering about basal half of segment, distinctly contrasting with distal half........ 9
- At least antennomeres IV–VII with pubescent ring covering about basal half of segment, distinctly contrasting with distal half................................................................................................... 10
9(8). Body notably slender; general color dark (Fig. 132). Peru ................................. R. monnei Audureau, 2016
- Body not slender; general color light (Fig. 126). Venezuela ....................................... R. gaianii sp. nov.
10(8). Elytra with very irregular, oblique pubescent band from humerus to suture on basal half (Fig. 38). Ecuador, Brazil, French Gui- ana............................................................................... R. seraisorum sp. nov.
- Elytral pubescence not forming irregular oblique band on basal half............................................. 11
11(10). Basal antennomeres with dense fringe of long setae ventrally. Brazil (Rio de Janeiro, Paraná, Santa Catarina, Rio Grande do Sul)...................................................................... R. alboapicalis (Breuning, 1940)
- Basal antennomeres with sparse, long erect setae. Bolivia .......................... R. formosa Martins & Galileo, 2008
12(4). Elytra with wide whitish transverse band covering, at least, 1/4 of elytral length (Figs 54, 71)........................ 13
- Transverse band, when present, narrow (e.g. Fig. 73), if it is wide, then it is formed by whitish and yellowish pubescence (e.g. 76)................................................................................................ 14
13(12). Elytral transverse band placed on basal half (Figs 59, 89). Brazil (Espírito Santo, Rio de Janeiro, São Paulo, Santa Catarina, Rio Grande do Sul), Paraguay.......................................................... R. digna (Melzer, 1934)
- Elytral transverse band placed at about middle (Figs 54, 71). Brazil (Espírito Santo, São Paulo, Rio Grande do Sul)........................................................................................... R. bucki (Melzer, 1934)
14(12). Pronotum without distinct longitudinal, narrow pubescent band (when present, pubescent band is wide, usually irregular).. 15
- Pronotum with distinct longitudinal, narrow pubescent band................................................... 22
15(14). Distal half of elytra without longitudinal pubescent bands (Fig. 55). Ecuador......... R. cacapyra Galileo & Martins, 2013
- Distal half of elytra, at least, with one longitudinal pubescent band............................................. 16
16(15). Basal half of elytra with wide, oblique pubescent band (Fig. 70). Brazil (Rio de Janeiro. São Paulo, Paraná, Santa Catarina, Rio Grande do Sul)................................................................... R. malleri (Melzer, 1934)
- Basal half of elytra without oblique pubescent band (e.g. Fig. 111).............................................. 17
17(16). Transverse pubescent band of elytra starting after distal third (Fig. 87). Venezuela .............. R. recta (Thomson, 1868)
- Transverse pubescent band of elytra starting, at most, slightly before distal third (e.g. Fig. 73)....................... 18
18(17). Transverse pubescent band of elytra almost straight (Figs 110, 133)............................................ 19
- Transverse pubescent band of elytra distinctly oblique (Figs 73, 85)............................................. 20
19(18). Transverse pubescent band of elytra wider than widest area of the scape; antennomeres slender (Fig. 133). Peru ............................................................................................ R. genieri Audureau, 2016
- Transverse pubescent band of elytra about as wide as widest area of the scape; antennomeres thick (Fig. 110). Ecuador ........................................................................................... R. bezarki sp. nov.
20(18). Transverse pubescent band of elytra starting near base of distal third (Fig. 21). Bolivia .............. R. lingafelteri sp. nov.
- Transverse pubescent band of elytra starting near middle (Figs 73, 85)........................................... 21
21(20). Elytral apex with spicule at outer angle; elytra slightly longer than 4 times pronotal length (Fig. 73). Peru, Bolivia ......................................................................................... R. pulchella (Belon, 1903)
- Elytral apex without spicule at outer angle; elytra 3.5 times longer than pronotal length (Fig. 85). Bolivia ....................................................................................... R. tanimbuca Galileo & Martins, 2013
22(14). Transverse pubescent band of elytra white, notably contrasting with remaining pubescence (Figs. 1, 67)............... 23
- Transverse pubescent band of elytra yellowish, not notably contrasting with remaining pubescence, or absent (e.g. Figs 18, 26)................................................................................................... 24
23(22). Transverse white pubescent band of elytra slightly wider than apex of scape (Fig. 67). Venezuela .................................................................................................. R. jolyi Galileo & Martins, 2013
- Transverse white pubescent band of elytra wide than 2 times apex of scape (Fig. 1). Bolivia............ R. wappesi sp. nov.
24(22). Transverse pubescent band of elytra absent (Fig. 26). Bolivia, French Guiana, Brazil (Rondônia)......... R. clinei sp. nov.
- Transverse pubescent band of elytra present................................................................ 25
25(24). Elytra with triangular pubescent macula on basal third (Fig. 50). Colombia............... R. alcidionoides Thomson, 1864
- Elytra without triangular pubescent macula on basal third..................................................... 26
26(25). Elytra with yellowish pubescent spot near sutural middle, not reaching lateral curvature (Figs 56, 60, 61, 64, 68, 69, 83, 86, 105)............................................................................................... 27
- Elytra without yellowish pubescent spot near sutural middle, but often with transverse pubescent band (e.g. Fig. 113)..... 31
27(26). Yellowish pubescent spot near sutural middle usually triangular and not followed by another similar spot between lateral cur- vature and margin (Figs 56, 64, 68, 83, 86)................................................................ 28
- Yellowish pubescent spot near sutural middle followed by another similar spot between lateral curvature and margin (Figs 60, 61, 69, 105)......................................................................................... 29
28(27). Yellowish pubescent spot near sutural middle followed laterally by narrow, transverse yellowish pubescent bands, isolated or as part of longitudinal bands (Figs 56, 64, 68, 86). Peru, Venezuela, French Guiana, Brazil (Amazonas, Pará, Acre, Rondônia, Minas Gerais, Espírito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul), Bolivia, Paraguay ..................................................................................... R. inscripta (Bates, 1866)
- Yellowish pubescent spot near sutural middle not followed laterally by narrow and transverse yellowish pubescent bands (Fig 83). Bolivia, Brazil (Rondônia, Goiás)............................................. R. strandiella (Breuning, 1940)
29(27). Yellowish pubescent spot near sutural middle together with lateral spot in front it forming almost straight, fragmented pubes- cent band (Fig. 105). Ecuador, Peru ......................................................... R. similis sp. nov.
- Yellowish pubescent spot near sutural middle together with lateral spot in front it forming an oblique, fragmented pubescent band (Figs 60, 61, 69)................................................................................. 30
30(29). Yellowish pubescent spot near sutural middle far from suture, together with lateral spot in front it forming notably oblique, fragmented pubescent band (Fig 69). Colombia, Peru ............................ R. maculosa Galileo & Martins, 2013
- Yellowish pubescent spot near sutural middle reaching or almost reaching suture, together with lateral spot in front it forming slightly oblique, fragmented pubescent band (Figs 60, 61). Ecuador, Peru, Bolivia, Argentina ......................................................................................................... R. fimbriata (Belon, 1903)
31(26). Elytra without transverse pubescent band on posterior half of elytra before apex (Fig 47). Brazil (Rio de Janeiro, São Paulo, Santa Catarina)............................................................... R. rufescens (Breuning, 1940)
- Elytra with transverse, oblique, concave or convex pubescent band on posterior half of elytra before apex (e.g. Figs 9, 113).................................................................................................... 32
32(31). Elytra with narrow, distinctly concave pubescent band on distal half, between two innermost longitudinal pubescent bands, not extended toward sides of elytra (Fig. 51). Brazil (Amazonas)..................... R. amazonica Galileo & Martins, 2013
- Elytra without concave pubescent band on distal half or, if somewhat concave, extended toward sides of elytra.......... 33
33(32). Transverse pubescent band of elytra straight, notably oblique and not fragmented (Figs 72, 77). Costa Rica, Panama, Venezu- ela, Brazil (Rondônia)............................................................ R. obliqua (Thomson, 1868)
- Transverse pubescent band of elytra not straight, usually not notably oblique (if straight, it is fragmented) (e.g. Figs 57, 129).................................................................................................... 34
34(33). Widest area of the transverse pubescent band of the elytra, at most, as wide as maximum width of the scape (e.g. Fig. 52)....................................................................................................... 35
- Widest area of the transverse pubescent band of the elytra distinctly wider than maximum width of the scape (e.g. Fig. 129), or not well-delimited (Fig. 79)............................................................................ 40
35(34). Transverse pubescent band of the elytra oblique (Figs 57, 58).................................................. 36
- Transverse pubescent band of the elytra sub-straight or concave (e.g. Figs 75, 81).................................. 38
36(35). Transverse pubescent band of the elytra ending before base of distal third (Fig. 134). Peru.... R. peruviensis Audureau, 2016
- Transverse pubescent band of the elytra ending after base of distal third (Figs 57, 58)............................... 37
37(36). Distal area of the elytra dorsally with three longitudinal parallel bands near to each other (excluding sutural band) (Fig. 57). Costa Rica, Panama ............................................................ R. costaricensis (Melzer, 1934)
- Distal area of the elytra dorsally with two longitudinal parallel bands not near to each other (excluding sutural band) (Fig. 58). Peru, Brazil (Amazonas)...................................................... R. crassepunctata Breuning, 1948
38(35). Elytra about as long as two times humeral width (Fig. 76). Ecuador .............. R. mediovittata Galileo & Martins, 2013
- Elytra at least as long as 2.5 times humeral width (Figs 52, 75)................................................ 39
39(38). Distal area of the elytra distinctly punctate (Fig. 52, 75). Brazil (Minas Gerais, Espírito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul), Paraguay................................. R. approximata (Melzer, 1934)
- Distal area of the elytra not distinctly punctate (Fig. 81). Panama, Colombia .............. R. stigmatifera (Thomson, 1868)
40(34). Central area of the elytra with large pale yellow pubescent macula; transverse macula of the elytra placed near apex (Fig. 74). Ecuador................................................................... R. parva Galileo & Martins, 2013
- Central area of the elytra without large pubescent macula; transverse macula of the elytra placed far from apex (e.g. Fig. 97).................................................................................................... 41
41(40). Transverse pubescent band of the elytra slightly distinct (Fig. 79). Colombia.............. R. rufobasalis (Breuning, 1940)
- Transverse pubescent band of the elytra well-marked (e.g. Fig. 18)............................................. 42
42(41). Transverse pubescent band of the elytra not extended toward outer margin (Fig. 8). Bolivia........... R. giesberti sp. nov.
- Transverse pubescent band of the elytra reaching outer margin (e.g. Fig. 10)...................................... 43
43(42). Transverse pubescent band of the elytra notably oblique (Figs 9, 90)........................................... 44
- Transverse pubescent band of the elytra not distinctly oblique (e.g. Fig. 97)....................................... 45
44(43). Distal area of the elytra with transverse area exposing the dark integument (Fig. 90). French Guiana... R. senecauxi sp. nov.
- Distal area of the elytra without transverse area exposing integument (Fig. 9). Bolivia................ R. skillmani sp. nov.
45(43). Transverse pubescent band of the elytra starting after base of distal third of the elytra at area close to suture (Fig. 129). French Guiana................................................................................ R. cerdai sp. nov.
- Transverse pubescent band of the elytra starting before base of distal third of the elytra at area close to suture (e.g. Fig. 93). 46
46(45). Elytral apex rounded (Fig. 121). Venezuela ................................................... R. pittieri sp. nov.
- Elytral apex truncate (e.g. Fig. 113)...................................................................... 47
47(46).Areas of the elytra exposing integument subelliptical-shaped (Fig. 63). Martinique.............. R. hovorei Touroult, 2007
- At most, only circum scutellar areas exposing integument subelliptical-shaped (e.g. Fig. 102)........................ 48
48(47). Widest width of transverse pubescent band of the elytra larger than half of pronotal length (Fig. 53). Guadeloupe........................................................................................ R. arawakiana Villiers, 1980
- Widest width of transverse pubescent band of the elytra, at most, as long as half of pronotal length (e.g. Fig. 97)......... 49
49(48). Metaventrite without longitudinal yellow pubescent band (Fig. 104). French Guiana.................. R. nearnsi sp. nov.
- Metaventrite with longitudinal yellow pubescent band (e.g. Fig. 99)............................................. 50
50(49). Metanepisternum covered with dense yellow pubescence (Figs 20, 99).......................................... 51
- Metanepisternum not covered with dense yellow pubescence (Figs 96, 115)...................................... 52
51(50). Transverse pubescent band of the elytra not reaching longitudinal pubescent band (Fig. 97). French Guiana.................................................................................................. R. giuglarisi sp. nov.
- Transverse pubescent band of the elytra reaching longitudinal pubescent band (Fig. 18). Costa Rica, Panama .................................................................................................... R. morrisi sp. nov.
52(50). Distal area of elytra with slender, longitudinal yellow pubescent band (Figs 113, 115). Panama......... R.schneppi sp. nov.
- Distal area of elytra without slender, longitudinal yellow pubescent band (Figs 93, 95). French Guiana .... R. dalensi sp. nov.
description: Published as part of Santos-Silva, Antonio, Galileo, Maria Helena M., Joly, Luis J. & Tavakilian, Gérard L., 2018, The genus Rosalba Thomson, 1864 (Coleoptera, Cerambycidae, Lamiinae, Apomecynini), pp. 201-258 in Zootaxa 4387 (2) on pages 238-241, DOI: 10.11646/zootaxa.4387.2.1, http://zenodo.org/record/1187360