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Trouessartia bochkovi

Trouessartia bochkovi

Canada
Status
Not Evaluated

IUCN conservation assessment category

Habitat
Various biomes

Primary ecological niche & biome

Diet
Omnivorous

Dietary type and primary food source

Activity
Diurnal

Diurnal, nocturnal, or active patterns

Scientific Summary

GBIF Taxonomic Backbone & Wikipedia Registry Profile

Description. MALE (holotype, ranges for 10 paratypes in parentheses) (Figs. 4, 6 A – F). Length of idiosoma from anterior end to lobar apices excluding lamellae 470 (430 – 470), width of idiosoma at level of humeral shields 210 (200 – 215). Length of hysterosoma from level of sejugal furrow to lobar apices 310 (285 – 325). Prodorsal shield: length along midline 145 (130 – 145), greatest width posterior to level of scapular setae 160 (155 – 175), anterior part at level of trochanters II not narrowed, antero-lateral extensions not fused with bases of epimerites Ia between legs I and II, lateral margins not fused with scapular shields, posterior margin straight, surface without ornamentation. Internal scapular setae si spiculiform, 20 (18 – 20) long, separated by 58 (57 – 60); external scapular setae se separated by 110 (100 – 115). Setae c 2 spiculiform, 20 (15 – 20) long, situated in antero-median angle of humeral shields. Setae c 3 narrowly lanceolate, with acute apex, 20 (18 – 22) long. Hysteronotal shield completely separated into prohysteronotal and lobar parts, total length from anterior margin to lobar apices excluding lamellae 305 (275 – 315). Prohysteronotal shield: length along midline 185 (175 – 195), width at anterior margin 175 (165 – 180), lateral margins shallowly concave at level of trochanters III, dorsal hysterosomal apertures (DHA) present, central area with small ovate lacunae. Dorsal setae d 1, d 2, e 2 present. Length of lobar shield excluding terminal lamellae 125 (110 – 125). Opisthosomal lobes several times longer than wide, separated by broad semi-ovate terminal cleft; length of cleft from anterior end to lobar apices (bases of setae h 3) 120 (110 – 120), greatest width at level of setae h 2 90 (68 – 90). Terminal lamellae semicircular, with widely rounded and smooth posterior margin, length from bases of setae h 3 to lamellar apices 20 (28 – 20), greatest width 38 (35 – 40). Distance between dorsal setae: c 2: d 2 77 (72 – 78), d 2: e 2 100 (95 – 110), e 2: h 2 100 (95 – 105), h 2: h 3 25 (20 – 25), h 2: h 2 130 (110 – 130), h 3: h 3 112 (100 – 115), d 1: d 2 50 (50 – 55), e 1: e 2 42 (40 – 48), h 1: h 2 15 (15 – 18), ps 1: h 3 18 (15 – 18). Epimerites I free. Rudimentary sclerites rEpIIa small, semi-ovate, with acute inner angles. Genital apparatus situated between levels of trochanters III and IV, length excluding basal sclerite 43 (40 – 48), greatest width 30 (27 – 30). Epiandrum (pregenital sclerite) present. Latigenital apodemes absent. Genital shield absent. Anterior and posterior genital papillae equal in size and situated approximately equidistant from midline. Setae g long, filiform, with bases distinctly separated. Adanal apodemes heavily sclerotized, without apophyses, with vestigial lateral membranes. Translobar apodeme absent. Adanal shields bearing setae ps 3 shaped as small longitudinal sclerites with acute anterior ends. Anal suckers 15 (12 – 15) in diameter. Inner ends of epimerites IIIa with apices extending beyond levels of setae 3 a and 4 b and with narrow and short blunt-angular extensions on posterior margins. Setae 4 b situated slightly posterior to level of setae 3 a; setae g and 4 a situated same transverse level. Distance between ventral setae: 4 b: 3 a 8 (8 – 12), 4 a: g 62 (60 – 68), g: ps 3 82 (80 – 92), ps 3: h 3 92 (85 – 92). Setae cG, mG of genua I, II filiform. Genual solenidia σ 1 I and σ II situated at midlenth of corresponding genua. Legs IV with ambulacral disc extending level of setae h 2. Trochanteral setae sR III narrowly lanceolate, with acute apex, 18 (13 – 18) long. Tarsus IV 35 (33 – 35) long; modified setae d barrel-shaped, with discoid cap, situated in distal one thirds of this segment; modified setae e button-like, without cap, situated apically (Fig. 6 D). Length of solenidia: σ 1 I 35 (30 – 35), σ II 8 (8 – 10), σ III 20 (15 – 20), φ IV 23 (23 – 28). FEMALE (range for 10 paratypes) (Figs. 5 A, B, 6 G, H). Length of idiosoma from anterior end to apices of hyaline lobar processes 510 – 565, width at level of humeral shields 205 – 235. Length of hysterosoma from level of sejugal furrow to apices of lobar processes 360 – 395. Prodorsal shield: shaped as in male, 145 – 155 long, 170 – 185 wide, surface with barely distinct network of ornamentation. Setae si spiculiform, 20 – 22 long, separated by 63 – 70; setae se separated by 120 – 125. Setae c 2 thin spiculiform, 20 – 23 long, situated in antero-medial angle of humeral shields. Setae c 3 narrowly lanceolate, with acute apex, 20 – 25 long. Hysteronotal shield: length from anterior margin to bases of setae h 3 335 – 385, width at anterior margin 170 – 190, lateral margins shallowly concave at level of trochanters III, DHA present, most area from level of setae cp to supranal concavity with numerous ovate lacunae. Dorsal setae d 1, d 2, e 2 present. Setae f 2 present. Setae h 1 narrowly lanceolate, about 32 – 42 long, situated antero-mesal to bases of setae h 2, 13 – 18 from corresponding lateral margins of hysteronotal shield. Width of opisthosoma at level of setae h 2 97 – 110. Setae psl positioned dorsal, equidistant from outer and inner margins of opisthosomal lobes. Supranal concavity open posteriorly into terminal cleft. Length of terminal cleft from anterior margin to lobar apices 112 – 132, length from free margin of interlobar membrane to apices 97 (92 – 105), width of cleft at level of setae h 3 37 – 43. Interlobar membrane occupying anterior 1 / 6 th of terminal cleft. External copulatory tube short cone-shaped, situated on free margin of interlobar membrane. Distance between dorsal setae: c 2: d 2 77 – 82, d 2: e 2 105 – 118, e 2: h 2 52 – 62, h 2: h 3 63 – 77, h 2: h 2 78 – 88, h 3: h 3 57 – 63, d 1: d 2 55 – 60, e 1: e 2 47 – 50, h 1: h 2 15 – 18, h 1: h 1 55 – 63, ps 1: h 3 12 – 13. Epimerites I free. Epigynum 32 – 40 long, 85 – 98 wide (Fig. 5 B). Head of spermatheca with short non-dentate collar and few rounded denticles (Fig. 6 H), primary spermaduct without enlargements, secondary spermaducts 35 – 40 long. Inner margins of epimerites IIIa with finger-like acute extension. Epimerites IVa narrow. Anal opening with small adanal sclerites near anterior end. Legs I, II as in males. Trochanteral setae sR III narrowly lanceolate, acute apically, 15 – 18 long. Legs IV with ambulacral disc extending to level of setae ps 1. Length of solenidia: σ 1 I 30 – 32, σ II 10 – 12, σ III 20 – 22.
Biology & Conservation

Scientific field studies are ongoing to establish comprehensive biological records for this species, including precise wild population estimates, dietary distributions, typical lifespans, and specific daily activity patterns. Taxonomic details have been successfully categorized under the Global Biodiversity Information Facility (GBIF) backbone index, and deeper environmental analysis is active to catalog its behavior and conservation profile within its native biomes.

Energy & Activity Profile
Habitat & Adaptation Index
Quick Facts
Native RangeCanada
Habitat RangeGlobal
Lifespan
StatusData Deficient
ScientificTrouessartia bochkovi
Registry Info
LifespanUnknown
KingdomAnimalia
FamilyTrouessartiidae