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151 results for “Trechus”
Figure 2 in Description of a new hypogean species of the genus Trechus Clairville, 1806 from eastern Spain and comments on the Trechus martinezi-lineage (Coleoptera: Adephaga: Carabidae)
Figure 2. Elytral microsculpture of Trechus torressalai n. sp. Scale bar: 0.05 mm.
Figure 6 in Description of a new hypogean species of the genus Trechus Clairville, 1806 from eastern Spain and comments on the Trechus martinezi-lineage (Coleoptera: Adephaga: Carabidae)
Figure 6. Body size of Trechus martinezi-lineage species.
FIGURES 18–20 in New Trechus species of the kozlovi group from Sichuan (Coleoptera: Carabidae)
FIGURES 18–20. Male genitalia of Trechus spp. n., paratypes: a—lateral view, b—dorsal view. 18—T. shangensis sp. n.; 19—T. mengensis sp. n.; 20—T. cuspis sp. n.
FIGURE 5 in Biodiversity patterns of cavernicolous ground-beetles and their conservation status in the Azores, with the description of a new species: Trechus isabelae n. sp. (Coleoptera: Carabidae: Trechinae)
FIGURE 5. Mean activity-density (+ s.e.) of Trechus terceiranus Machado (Coleoptera, Carabidae) in Algar do Carvão (Terceira island) between 2001 and 2006 (until September). Activity-density was measured as the number of specimens per trap per sampling night.
FIGURE 2 in Biodiversity patterns of cavernicolous ground-beetles and their conservation status in the Azores, with the description of a new species: Trechus isabelae n. sp. (Coleoptera: Carabidae: Trechinae)
FIGURE 2. Aedeagus of Trechus isabelae n. sp. a) median lobe, lateral view; b) left and right parameres c) median lobe, dorsal view. Scale: 0.5 mm.
FIGURE 3 in Biodiversity patterns of cavernicolous ground-beetles and their conservation status in the Azores, with the description of a new species: Trechus isabelae n. sp. (Coleoptera: Carabidae: Trechinae)
FIGURE 3. Location in the island of São Jorge (digital map of João Tavares adapted from Pereira et al. in press) and general aspect of Trechus isabelae n. sp. (Photo P.A.V. Borges).
FIGURE 6 in Biodiversity patterns of cavernicolous ground-beetles and their conservation status in the Azores, with the description of a new species: Trechus isabelae n. sp. (Coleoptera: Carabidae: Trechinae)
FIGURE 6. Relationship between the logarithm of the mean abundance +1 and the logarithm of distribution for the 10 Azorean species of Trechinae. The species within the quadrate are the most restricted and less abundant. The species marked with an open square is Trechus terrabravensis (see text for more details); 1—Thalassophilus azoricus, 2—Trechus torretassoi, 3—Trechus jorgensis, 4—Trechus pereirai, 5—Trechus isabelae, 6—Trechus montanheirorum, 7—Trechus oromii, 8—Trechus terrabravensis, 9—Trechus picoensis, 10—Trechus terceiranus.
FIGURE 7 in A hypogean new species of Trechus Clairville, 1806 (Coleoptera, Carabidae) from Portugal and considerations about the T. f u l v u s species group
FIGURE 7. Aedeagus (lateral and dorsal view) of the T. fulvus-group species with the apical lamina not turned towards left side in dorsal view. a) T. arribasi, b) T. lallemantii, c) T. lunai, d) T. machadoi, e) T. gamae, f) T. tatai n. sp. and g) T. fulvus.
FIGURE 4 in A hypogean new species of Trechus Clairville, 1806 (Coleoptera, Carabidae) from Portugal and considerations about the T. f u l v u s species group
FIGURE 4. Trechus tatai Reboleira & Ortuño n. sp., external and internal female genitalia. Scale bar: 0.3 mm.
FIGURE 3. Trechus tatai n in A hypogean new species of Trechus Clairville, 1806 (Coleoptera, Carabidae) from Portugal and considerations about the T. f u l v u s species group
FIGURE 3. Trechus tatai n. sp. aedeagus. Trechus tatai n. sp.: a—Median lobe in lateral view; b—Left and right parameres in lateral view; c—Median lobe in dorsal view, scale bar: 0.3 mm; d—Ring, scale bar: scale bar: 0.3 mm
FIGURE 1 in A hypogean new species of Trechus Clairville, 1806 (Coleoptera, Carabidae) from Portugal and considerations about the T. f u l v u s species group
FIGURE 1. Hypogean beetles in karstic areas of Portugal. 1—Trechus machadoi, 2—Trechus gamae, 3—Trechus lunai, 4—Trechus tatai n. sp.
FIGURE 6 in A hypogean new species of Trechus Clairville, 1806 (Coleoptera, Carabidae) from Portugal and considerations about the T. f u l v u s species group
FIGURE 6. Aedeagus (lateral and dorsal view) of the species of the T. fulvus -group with the apical lamina visibly turned towards left side in dorsal view. a) T. gloriensis, b) T. breuili, c) T. beltrani, d) T. alicantinus, e) T. martinezi and f) T. torressalai.
FIGURE 7 in A new hypogean Trechus Clairville (Coleoptera, Carabidae, Trechini) discovered in a non-calcareous Superficial Subterranean Habitat of the Iberian System (Central Spain)
FIGURE 7. Median lobe of the aedeagus and copulatory piece, in left lateral view, of the Trechus angusticollis-group, adapted from Casale (1983), Jeannel (1927, 1941), Toribio (1992), Salgado & Ortuño (1998) and Pham (1987). A: T. meregallii. B: T. angusticollis. C: T. distinctus. D: T. abeillei. E: T. saxicola. F: T. kricheldorffi. G: T. escalerae. H: T. pecignai. I: T. apoduvalipenis. J: T. marcilhaci. These are not drawn to scale.
FIGURE 8 in A new hypogean Trechus Clairville (Coleoptera, Carabidae, Trechini) discovered in a non-calcareous Superficial Subterranean Habitat of the Iberian System (Central Spain)
FIGURE 8. Distribution map of the species of the Trechus angusticollis-group in the Iberian Peninsula. The symbols correspond to the following species: white star, T. arrecheai n. sp.; white square, T. angusticollis; black square, T. meregalli; black triangle, T. abeillei; white triangle, T. saxicola; black inverted triangle, T. distinctus; white inverted triangle, T. kricheldorffi; black circle, T. marcilhaci; black rhombus, T. escalerae; white rhombus, T. apoduvalipenis; black rhombus inside white circle, T. pecignai. Scale bar: 300 km.
FIGURE 6 in A new hypogean Trechus Clairville (Coleoptera, Carabidae, Trechini) discovered in a non-calcareous Superficial Subterranean Habitat of the Iberian System (Central Spain)
FIGURE 6. Female genitalia of Trechus arrecheai Ortuño, Gilgado & Cuesta n. sp. A: genital armour and spermathecal complex. B: detail of the genital armour. Scale bar A: 0.3 mm; B: 0.1 mm.
FIGURE 4 in A new hypogean Trechus Clairville (Coleoptera, Carabidae, Trechini) discovered in a non-calcareous Superficial Subterranean Habitat of the Iberian System (Central Spain)
FIGURE 4. Labium, labial pieces and prebasilar of Trechus arrecheai Ortuño, Gilgado & Cuesta n. sp. Scale bar: 0.2 mm.
FIGURE 3 in A new hypogean Trechus Clairville (Coleoptera, Carabidae, Trechini) discovered in a non-calcareous Superficial Subterranean Habitat of the Iberian System (Central Spain)
FIGURE 3. Detail of the ocular region of Trechus arrecheai Ortuño, Gilgado & Cuesta n. sp. Scale bar: 0.5 mm.
FIGURE 5 in A new hypogean Trechus Clairville (Coleoptera, Carabidae, Trechini) discovered in a non-calcareous Superficial Subterranean Habitat of the Iberian System (Central Spain)
FIGURE 5. Aedeagus and aedeagus ring of Trechus arrecheai Ortuño, Gilgado & Cuesta n. sp. A: median lobe in left lateral view. B: left paramere in left lateral view. C: right paramere in right lateral view. D: aedeagus in dorsal view. E: aedeagus ring. Scale bars, A–D: 0.2 mm; E: 0.3 mm.
FIGURE 2 in A new hypogean Trechus Clairville (Coleoptera, Carabidae, Trechini) discovered in a non-calcareous Superficial Subterranean Habitat of the Iberian System (Central Spain)
FIGURE 2. Habitus (female) of Trechus arrecheai Ortuño, Gilgado & Cuesta n. sp. Scale bar: 1 mm.
FIGURE 1. Sampling locality. A in A new hypogean Trechus Clairville (Coleoptera, Carabidae, Trechini) discovered in a non-calcareous Superficial Subterranean Habitat of the Iberian System (Central Spain)
FIGURE 1. Sampling locality. A: geographic situation of the sampling locality. B: beech forest sampled. C: SSD before being buried. D: SSD covered.
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