Tyrannoseira gladiata Zeppelini & Lima, 2012,

Cipola, Nikolas Gioia, Morais, José Wellington De, Godeiro, Nerivania Nunes & Bellini, Bruno Cavalcante, 2019, Taxonomic revision of Brazilian genus Tyrannoseira Bellini & Zeppelini, 2011 (Collembola, Entomobryidae, Seirinae), Zootaxa 4586 (2), pp. 201-248: 229-230

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Tyrannoseira gladiata Zeppelini & Lima, 2012


Tyrannoseira gladiata Zeppelini & Lima, 2012 

Figs 24–28View FIGURE 24View FIGURE 25View FIGURE 26View FIGURE 27View FIGURE 28, 34View FIGURE 34

Tyrannoseira gladiata Zeppelini & Lima, 2012: 37 View Cited Treatment   , figs. 1–18 (orig. descr.).

Type locality: Brazil, Paraíba State, Araruna, State Park Pedra da Boca.

Type material examined. Holotype male, paratypes 3 males and 8 females ( MNRJ /2294), examined before fire in September 2018.


Typological note. The type material of T. gladiata  deposited at MNRJ was destroyed by fire in September 2018, except for 2 males and 1 female paratypes (MNRJ /2294). One of these male paratypes is designated as the neotype of the species following the ICZN (2000) (see the code chapter 16, article 72.4.5.).

Diagnosis. Body dark brownish to reddish with pigments on distal two-thirds of Ant II–IV ( Fig. 1BView FIGURE 1); Ant III with 1 subapical sens type– f ( Fig. 24AView FIGURE 24); head chaetotaxy with An 3i, An 3i 2 and A4 mic absent and with 2 posterior mac (Pe3 and 1 uncertain) ( Fig. 24BView FIGURE 24); clypeus with l2 normal, f2 smaller ( Fig. 24CView FIGURE 24); outer labral papilla marginally smaller ( Fig. 24DView FIGURE 24); postlabial formula with 3 chaetae below ‘J’ row ( Fig. 24EView FIGURE 24); Th II with 6 anterior mac (a4+, a 4i, a5, a5p, a 5i, a 5i 2), m 1i, p 1i 2 and p1ip mac present, p2ea2 mac present or absent ( Fig. 25AView FIGURE 25); Th III with 1 lateral mac (m6) ( Fig. 25BView FIGURE 25); Abd IV with 5 antero-central mac (A3, B2–3, C1, T1) and 4 mac (Fe3–6) in Fe series ( Fig. 26AView FIGURE 26); trochanteral organ with about 26 spine-like chaetae ( Fig. 27DView FIGURE 27); leg I of males with 9–24 thicker femoral spines and 4 finely ciliate tibiotarsal spines ( Fig. 27EView FIGURE 27); collophore anteriorly with 3 mac apically acuminate and 1 distal mac, posteriorly with 3 spines and 1 distal ciliate and 1 smooth chaetae ( Fig. 28AView FIGURE 28); ventral formula of manubrium with 1, 2, 2, 2/ 4 and 10 ciliate chaetae, manubrial plate with 3 psp ( Figs 28View FIGURE 28 B–C).

Redescription. Total length (head + body) of holotype 1.49 mm. Specimens completely dark brown to dark red, pale from Ant I to proximal half of Ant II, proximal one-third of Ant III–IV, trochanter to tibiotarsus, distally on collophore and two-thirds of dens; eyepatches black (similar to T. bicolorcornuta  , Fig 1BView FIGURE 1). Scales present from Ant I to basal half of Ant III, dorsal and ventral head, Th and Abd dorsally, legs (except claws), anterior collophore, and manubrium and dens ventrally.

Antennal ratio as I: II: III: IV = 1: 1.34: 1.51: 1.76. Ant III apical organ with 2 sens type a, 3 guard sens (type d), 1 modified rounded sens (type f), sens of different sizes (type b –d) and chaetae types g –h ( Fig. 24AView FIGURE 24). Eyes A– D larger, G and H smaller, others subequal ( Fig. 24BView FIGURE 24). Head dorsal chaetotaxy with 10 ‘An’, 5 ‘A’, 5 ‘M’, 5 ‘S’, 3 ‘Ps’, 6 ‘Pa’, 2 ‘Pm’, 6 ‘Pp’, 3 ‘Pe’ chaetae plus 1 mac of uncertain homology ( Fig. 24BView FIGURE 24). Clypeal formula with 4 (l1–2), 4 (f1–2), 3 (pf0–1) ciliate chaetae, l1 larger and apically acuminate, f2 smaller, others subequal ( Fig. 24CView FIGURE 24). Outer labral papillae slightly smaller than inner papillae ( Fig. 24DView FIGURE 24). Ventral chaetotaxy with 13 ciliate chaetae, anterior postlabial formula with 4 (G1–4), 2 (H2–3), 3 (J1–3) plus 3 chaetae below ‘J’ series, basal chaeta (b.c.) larger ( Fig. 24EView FIGURE 24).

Thoracic chaetotaxy ( Figs 25View FIGURE 25 A–B). Th II, series ‘a’, ‘m’ and ‘p’ with 8, 12 and 17–18 chaetae, respectively (m1, p 1i 2 and p1ip mac present, p2ea2 present or absent). Th III, series ‘a’, ‘m’ and ‘p’ with 8, 6 and 7 chaetae, respectively. Th II: III ratio as 1.24: 1.

Abdominal chaetotaxy ( Figs 25View FIGURE 25 C–E, 26A–B) Abd I series ‘a’, ‘m’ and ‘p’ with 5, 5 and 2 mic, respectively. Abd II, series ‘a’, ‘m’ and ‘p’ with 5, 7 and 3 chaetae, respectively; chaeta el present, bothriotricha a5 and m2 with 6 and 4 accessory chaetae, respectively. Abd III, series ‘a’, ‘m’ and ‘p’ with 6, 7 and 5 chaetae, respectively; with 4 accessory chaetae around bothriotrichum m2, and 10 between bothriotricha a5 and m5. Abd IV with 9–10 medial mac of series ‘A’ to ‘T’ (A3, A5, B2–6, C1, T1, T7), and 16 lateral mac of series ‘D’ to ‘Fe’ (D3p, E2–4p, Ee10, F1–3p, Fe3–6); postero-medial face with 6 sens and 5 posterior mes. Abd V, series ‘a’, ‘m’, ‘pa’, ‘p’ and ‘pp’ with 4, 6, 5, 7 and 3 chaetae, respectively. Abd III: IV ratio as 1: 3.64.

Legs with subcoxa I carrying 3 ciliate chaetae and 2 psp; subcoxa II with an anterior row of 8 chaetae, posterior row with 2 chaetae and 3 psp; subcoxa III with one row of 7 chaetae and 3 posterior psp ( Figs 27View FIGURE 27 A–C). Trochanteral organ with 26 spine-like chaetae ( Fig. 27DView FIGURE 27). Femur I of males with 9–24 thicker spines, holotype with 9 ( Fig. 27EView FIGURE 27). Tibiotarsus I with one row of 9 inner chaetae, 4 proximal spines finely ciliate (2 short and 2 larger) and 5 distal spine-like mac heavily ciliate and apically acuminate ( Fig. 27EView FIGURE 27). Unguis with median tooth marginally larger than basal teeth, apical tooth smaller; ratio unguis: unguiculus = 1: 0.51. Tibiotarsus III with “smooth” chaeta 0.89 smaller than unguiculus; tenent hairs 0.86 shorter than ungues outer edge (as Fig. 12GView FIGURE 12).

Collophore ( Fig. 28AView FIGURE 28) anterior face with 9 chaetae, 1 mac and 1 distal mes, 3 longer and 1 shorter acuminate and 3 proximal spine-like chaetae; posterior face with 5 chaetae, 3 spines, 1 distal ciliate plus 1 smooth chaeta; lateral flap with about 5 smooth and 12 ciliate chaetae.

Furcula ( Figs 28View FIGURE 28 B–C) ventral manubrium with formula 1, 2, 2, 2/ 4 (subapical) and 10 (apical) ciliate chaetae; manubrial plate (dorsally) with 5 ciliate chaetae and 3 psp.

Remarks. Tyrannoseira gladiata  especially resembles T. bicolorcornuta  in the antennal colour pattern and general morphology. Differences between these two species are shown in Table 1.


Brazil, Rio de Janeiro, Sao Cristovao, Universidade do Rio Janeiro, Museu Nacional














Tyrannoseira gladiata Zeppelini & Lima, 2012

Cipola, Nikolas Gioia, Morais, José Wellington De, Godeiro, Nerivania Nunes & Bellini, Bruno Cavalcante 2019