Entomobrya (Collembola, Entomobryidae) for the Canary Islands
Baquero, Enrique
Jordana, Rafael
Zootaxa
2018
2018-08-21
4461
2
151
195
6FFDM
Baquero & Jordana, 2018
Baquero & Jordana
2018
[151,440,1184,1210]
Collembola
Entomobryidae
Entomobrya
CoL
Animalia
Entomobryomorpha
3
154
Arthropoda
species
achuteygai
sp. nov.
Figs 2A, 4A, 5A–G, Table 1
Typematerial. Holotype: female, SPAIN, Canary Islands, Gran Canaria, El Brezaldel Palmital, soil/litter, Ilexlaurisilva, 9.I.1988, 31A/88–3, coordinates 28.11223°N, 15.60166°Wand 28.10958°N, 15.59709°W, 500–550 ma.s.l., ( Loc.50) A. Fjellbergleg. ( MZLU-VAR00001005). Paratypes: same data as Holotype, one specimen in ethyl alcohol ( MZLU-VAR00001006); Gran Canaria, Barranco Oscuro, moss on rocks, dry laurisilva, 8.I.1988, 27A/88, coordinates 28.06496°N, 15.58842°W, 750 ma.s.l., ( Loc.51) one female on slide ( MZLU-VAR00001005) and three specimens in ethyl alcohol ( MZLU-VAR00001002to MZLU-VAR00001004) ( All A.Fjellberg leg.).
Description.Body length up to 1.94 mm, excluding antennae ( Holotype). Ground colour white or very pale yellow, only with pigment as small patches on dorsolateral Abd II–IV and posterior lateral Abd IV; head with pigment only between antennal insertions; antennae from the tip of Ant II to its tip ( Figs 2Aand 4A). Head. Eight eyes, GH smaller than EF. Antennae length 1.10 mm, 2.50 times the length of the head. Ant IV with apical vesicle bilobed. The relative length of Ant I/II/III/IV = 1/2.07/2.00/2.27. Prelabral chaetae ciliated. Labral papillae multispinose ( Fig. 5E). Lateral process of labial papilla E 1/3 shorter than the papilla. Body. Length ratio of Abd IV/III = 4.33. Trochanteral organ with 20 chaetae. Tibiotarsus not sub-segmented, without smooth chaetae, except for smooth terminal chaeta on legs III. Claw with four teeth: paired at 50% and first unpaired at 75% from basis; dorsal teeth basal ( Fig. 5F). Empodium lanceolate, with smooth external lamella in leg III. Tenent hair clavate. Length of manubrium and dens 0.40 and 0.48 mm, respectively. Manubrial plate with five chaetae and two pseudopores. Mucro with teeth similar in size, mucronal spine reaching the tip of the subapical tooth ( Fig. 5G). FIGURE 2. Entomobryahabitus: A, E. achuteygai sp. nov.; B and B’, E. airami sp. nov.from La Palma; B’’, E. airami sp. nov.from Tenerife; C, E. amelahuigei sp. nov.(C’ dark form); D, E. atteneri sp. nov.(D’ dark form, D’’, clear form); E, E. fainae sp. nov.(E’ paler form); F, E. gazmirae sp. nov.(in small size intermediate colorations); G, E. grimanesae sp. nov.(G’ dark form); H, E. guacimarae sp. nov.(H’ paler form; in small size intermediate colorations). Bar = 0.5 mm. FIGURE 3. Entomobryahabitus: A, E. guayarminae sp. nov.; B, E. icoae sp. nov.(at left AbdII–IV with a darker pattern); C– D’, E. irayae sp. nov.C, clear form, D–D’ dark form; D’’ E. naziridisi; E, E. multifasciata(E’ dark form); F, E. nairae sp. nov.; F’ E. nevadensis; G, E. nigrocincta, male (G’ female); H, E. palmensis; I, E.cf. quiquelineata; J, E. unostrigata. Bar = 0.5 mm. FIGURE 4. Entomobryacolouration pattern: A, E. achuteygai sp. nov.; B, E. airami sp. nov.; C, E. amelahuigei sp. nov.(C’. E. amelahuigei sp. nov.,dark form); D, E. atteneri sp. nov.; E, E. nairae sp. nov.; F, E. atteneri sp. nov.(clear form); G; E. fainae sp. nov.(G’, E. fainae sp. nov.,dark form); H, E. gazmirae sp. nov.; I, E. grimanesae sp. nov.(I’, E. grimanesae sp. nov.,dark form); J, E. guacimarae sp. nov.(J’, intermediate colour form; J’’, pale form); K, E. guayarminae sp. nov.; L, E. icoae sp. nov.; M, E. irayae sp. nov.; N, E. multifasciata; O, E. nigrocinctamale (O’, female); P, E. palmensis; Q, E.cf. quinquelineata; R, E. irayae sp. nov.dark form; S, E. unostrigata. Bar = 0.5 mm. Macrochaetotaxy ( Figs 5A–D). Simplified Mc formula: 3-2-0-3-2/2-4/2-3/1-2-1/0-4-3-2-2. Head: H1 area with Mc An2, An3a1 and An3; H2 area with two Mc (A5–A6); H4 area with three Mc (S1, S3 and S4); H5 area with Ps2 and Ps5 Mc. Mesothorax: area T1 with two Mc (m1 and m 2i); T2 with four Mc (m4, m 4i, a5 and m5). Abdomen: Abd II area A1 with two Mc (a2 and a3), area A2 with three Mc (m3, m3ep and m3ea m3eai2; at one specimen, asymmetrically m3eai2 is present as mesochaeta); Abd III with one Mc each on areas A3 (a1) and A5 (m3e) and two Mc on A4 (a2 and a3); Abd IV with four Mc on A7 area (A3, B3, A e3 and C1), three Mc on A8 (A4, B4 and C2a), and two Mc on A9 (A5 and B5) and A10 (A6 and B6).
Ecology.The area where the specimens were captured is a forestal-bushy mix area of laurisilva with Ilexspp.
Etymology.The name is dedicated to Achuteyga, a prominent Guanche (ethnic from the Canary Islands) warrior from the island of Gran Canaria.
Remarks.If the macrochaetotaxy of Th II and Abd III is considered simultaneously, only a single species of the genus share the presence of the simplified formula for these tergites (2-4 and 1-2-1): E. dorsolineata Jordana, Schulz & Baquero, 2011, with a differentiated colour pattern based on longitudinal dorsolateral lines; additionally E. dorsolineatahas differences in the macrochaeta formula (4-2-0-3-1b/2-4/2-5/1-2-1/0-1 0 7-0-3- 3 in E. dorsolineata) and other morphological characters—the development of a subapical tooth on the mucro (bigger than apical), the shape of the labral papillae (with a projection chaeta-like) or the length of the antennae, shorter in E. dorsolineata. Other species from the Canary Islandsdescribed below in this paper ( Entomobrya grimanesae sp. nov., E. guayarminae sp. nov.and Entomobryacf. quinquelineata) share the macrochaetae formula Th II, Abd II and III tergites, but the colour pattern is completely different. Table 1shows that five, nine and four characters separate these species respectively. TABLE 1.Comparison among species with five longitudinal stripes or similar chaetotaxy in some segments: E. quinquelineataBörner, 1901, E. fimbaensisBaquero & Jordana, 2008, E. maroccanaBaquero & Jordana, 2008and E. lawrenceiBaquero & Jordana, 2008with other sp. nov.from Canary Islands. Character's name and Character's states Value range E. quinquelineata E. fimbaensis E. maroccana E. lawrencei E. grimanesae sp. nov. E. achuteygai sp. nov. E.cf. quinquelineataCanary Islands E. guayarminae sp. nov. Ch.1 H1 (Head) An2-An3 1-6 3 3 3 3 3 3 3 3 Ch.2 H2 A5-A7 1-3 1 " 1" 1" 1" 1" 2*a b 1" 1” Ch.3H3S'0 0-1 0 0 0 0 0 0 0 0 Ch.4 H4 S1-S3-S4 0-3 2*" 2*" 2*" 2*" 3 3 3 3 Ch.5 H5 Ps2-Ps3-Ps5 0-3 2 2 2 2 2 2 2 2 Ch.6 Labral papillae: simple and smooth papillae (1), with some projections (2), a projection chaetae like (3) 1-3 1*" 2 1*" 1*" 2a 2a 2a 1”* b Lateral process E reaching(1), litle shorter (2), shorter (3) - - - - - 1*" 3a b 3a b 1”* Ch.7 eyes G&H size = E&F (1), <E&F (2) 1-2 2 2 1*" 2 2 2 2 2 Ch.8 apical antennal retractile bulb no bulb (0), lobe simple (1), bilobed (2), trilobed (3) 0-3 1-2 2 1*" 1*" 2 2 2 2 Ch.9 Ratio Ant./Head> or = 3 (1),> or = 2 <3 (2), <2 (3) 1-3 2 2 2 - 2 2 2 2 Ch.11 T1 chaetae number m1-m2i2 or>4 (5) 0-5 2 2 2 2 2 2 2 2 Ch.12 T2 chaetae number a5, m4-m5 or>8 (9) 0-9 3*" 3*" 3*" 3*" 4 4 4 4 Ch.14 Claw internal teeth 1(1), 2(2), 3(3), 4(4) 1-4 4 4 4 4 4 4 4 4 Ch.15 Claw dorsal tooth basal = 1, internal teeth level = 2 1-2 1 2*" 2*" - 2*" 1a b 1a b 2”* Ch.17 External empodium smooth (0), serrate (1) 0-1 0 1* " 0 - 0a 0a 0a 1”* b Ch.18 A1 Abd. II a2-a3 0-2 2 2 2 2 2 2 2 2 Ch.19 A2 Abd. II m3 series chaetae number 0-7 2*" 3 3 2* 3 3 3 3 Ch.20 A3 Abd. III a1 0-1 1 1 1 1 1 1 1 1 Ch.21 A4 Abd. III above m2 chaetae number 0-3 2 2 2 0*" 2 2 2 2 Ch.22 A5 Abd. III m3-m4 series chaetae number 0-4 1 2* 1 1 1 1 1 1 Ch.23 A6 Abd. IV A1-D1 chaetae number;>8 (9) 0-9 0 0 0 0 0 0 0 0 Ch.24 A7 unpair chaeta A03 0-1 0 1*" 0 0 0 0 0 0 Ch.25 A7 Abd. IV A2-E1 chaetae number;>9 (10) 0-10 3-4-5 5*" 0*" 2" 2"a 4*"a b 2-3"a 0”* b Ch.26 A8 unpair chaeta A04 0-1 0 0 0 0 0 0 0 0 Ch.27 A8 Abd. IV A4a-C2a chaetae number;>5 (6) 0-6 3-4-5 3 3 2*" 3 3 3-4 3 Ch.28 A9 unpair chaeta A05 0-1 0 0 0 0 0 0 0 0 Ch.29 A9 Abd. IV A5-B5 chaetae number;>6 (7) 0-7 2 2 2 2 2 2 2 2 ......continued on the next page
1919493279
1988-01-09
MZLU-VAR
El Brezal & Loc. & A. Fjellberg
Spain
Gran Canaria
525
28.10958
Palmital
1
-15.59709
El Brezal
3
154
MZLU-VAR00001005
2
Canary Islands
holotype
1919493280
1988-01-08
MZLU-VAR
Loc. & All A. & A. Fjellberg
Spain
Holotype
750
28.06496
Barranco Oscuro
1
-15.58842
Gran Canaria
3
154
MZLU-VAR00001006, MZLU-VAR00001005, MZLU-VAR00001002, MZLU-VAR00001004
1
Canary Islands
paratype