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125 results for “Dichotomius”
FIGURE 2 in New brachypterous species of Dichotomius (Selenocopris) Burmeister (Coleoptera: Scarabaeidae: Scarabaeinae) with the definition of species groups and taxonomic notes in the subgenus
FIGURE 2. (A) Pygidium of D. (S.) punctulatipennis (bicuspis group). The white arrow indicates the excavation at the pygidium apex; (B) swollen pygidium of D. (S.) bicuspis; (C) pygidium of D. (S.) periotoi; (D) pygidium of D. (S.) ingens. The white arrow indicates the ocellate punctures near the basis of the pygidium; (E) macropterous hind wing of D. (S.) fissceps and brachypterous hind wing of D. (S.) ingens. The black arrows in the macropterous wing (larger one) indicates the anal and cubital vein. This wing is damaged at two points, one along the coastal vein and other on the posterior portion. Scale bar = 5mm.
FIGURE 6 in New brachypterous species of Dichotomius (Selenocopris) Burmeister (Coleoptera: Scarabaeidae: Scarabaeinae) with the definition of species groups and taxonomic notes in the subgenus
FIGURE 6. Paratypes of Dichotomius (Selenocopris) paresi n. sp.: (A) male dorsal habitus; (B) female dorsal habitus (black arrows indicate the ocellate punctures at the posterior portion of the pronotal disc); (C) dorsal view of male paramera; (D) lateral view of male paramera; (E) detail of elytra, white arrow indicating the elytral striae widened near the basis. Scale bar = 5mm.
FIGURE 5 in New brachypterous species of Dichotomius (Selenocopris) Burmeister (Coleoptera: Scarabaeidae: Scarabaeinae) with the definition of species groups and taxonomic notes in the subgenus
FIGURE 5. Holotype of Dichotomius (Selenocopris) manni n. sp.: (A) male dorsal habitus; (B) male paramera.
FIGURE 1 in New brachypterous species of Dichotomius (Selenocopris) Burmeister (Coleoptera: Scarabaeidae: Scarabaeinae) with the definition of species groups and taxonomic notes in the subgenus
FIGURE 1. (A) Ventral habitus of a female of Dichotomius (Selenocopris) periotoi n. sp. The white arrow at the head indicates the position of the ventral clypeal process and the white at the abdomen indicates the modification at the medial portion of the 6th sternite; (B) lateral view of the same specimen. The white arrow indicating the position of the mesepisternum.; (C) detail of the mesepisternum of the same specimen. The white arrow indicates the posterior portion of the upper margin of the mesepisternum ending in an acute angle, which is typical of Selenocopris; (D) elytral striae and interstriae of D. (S.) fissus (Gillet); (E) elytral striae and interstriae of D. (S.) fissiceps (Felsche) (quadraticeps group); (F) head and clypeal teeth of D. (S.) bicuspis (Germar); (G) head and clypeal teeth of D. (S.) fissiceps (quadraticeps group); (H) 6th abdominal sternite of the female of D. (S.) spadiceus (Luederwaldt); (I) 6th abdominal sternite of the female of D. (S.) punctulatipennis (Luederwaldt) (bicuspis group); (J) 6th abdominal sternite of the male of D. (S.) ascanius (Harold); (K) 6th abdominal sternite of the female of D. (S.) ascanius (Luederwaldt); (L) 6th abdominal sternite of the female of D. (S.) quadraticeps (Felsche).
FIGURE 12 in Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 12. Known distribution of D.sericeus species group. a—Dichotomius sericeus (Harold, 1867) and Dichotomius iannuzziae sp. nov.; b—Dichotomius irinus (Harold, 1867) and Dichotomius guaribensis sp. nov.; c—Dichotomius laevicollis (Felsche, 1901) and Dichotomius gilletti sp. nov.;d—Dichotomius schiffleri Vaz-de-Mello, Gavino & Louzada, 2001 and Dichotomius catimbau sp. nov.
FIGURE 11 in Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 11. External morphology of D. sericeus species group. a—Dichotomius sericeus (Harold, 1867), body, lateral view; b—D. schiffleri Vaz-de-Mello, Gavino & Louzada, 2001, body, lateral view; c—D. sericeus, detail of posterior margin of meso and metafemur, arrows; d—D. schiffleri, detail of posterior margin of meso and metafemur, arrows; e—D. sericeus, mesotibia, ventral view (row of setae toward the body, red arrow); f—D. irinus, mesotibia, ventral view (row of setae toward the body, red arrow); g—D. irinus, pygidium; h—D. sericeus, pygidium.
FIGURE 7 in Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 7. Dichotomius gilletti sp. nov. a—body,dorsal view; b—head, male; c—head, female; d—pronotum; e—surface of elytral interstriae. Aedeagus. f—lateral view; g—ventral view; h—dorsal view.
FIGURE 10. Lamella copulatrix. a in Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 10. Lamella copulatrix. a—Dichotomius sericeus (Harold, 1867); b—D. irinus (Harold, 1867); c—D. laevicollis (Felsche, 1901); d—D. schiffleri Vaz-de-Mello, Gavino & Louzada, 2001; e—Dichotomius guaribensis sp. nov.; f— Dichotomius gilletti sp. nov.; g—Dichotomius iannuzziae sp. nov.; h—Dichotomius catimbau sp. nov. Scale bar 0,5 mm.
FIGURE 6 in Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 6. Dichotomius guaribensis sp. nov. a—body,dorsal view; b—head, male; c—head, female; d—pronotum; emetasternum. Aedeagus. f—lateral view; g—ventral view; h—dorsal view.
FIGURE 3 in Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 3. Dichotomius irinus (Harold, 1867). a—body,dorsal view; b—head, male; c—head, female; d—pronotum; eposterior margin of pronotum. Aedeagus. f—lateral view; g—ventral view; h—dorsal view.
FIGURE 9 in Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 9. Dichotomius catimbau sp. nov. a—body,dorsal view; b—head, male; c—head, female; d—pronotum; emetasternum. Aedeagus. f—lateral view; g—ventral view; h—dorsal view.
FIGURE 4 in Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 4. Dichotomius laevicollis (Felsche, 1901). a—body,dorsal view (fovea on posterolateral portion of pronotum, arrows); b—head, male; c—head, female; d—pronotum (rounded ocellate punctures closer to posterior margin, arrow); epronotum detail (lateral margin, arrow). Aedeagus. f—lateral view; g—ventral view; h—dorsal view.
FIGURE 8 in Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 8. Dichotomius iannuzziae sp. nov. a—body,dorsal view; b—head, male; c—head, female; d—pronotum; eposterior margin of pronotum. Aedeagus. f—lateral view; g—ventral view; h—dorsal view.
FIGURE 5 in Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 5. Dichotomius schiffleri Vaz-de-Mello, Gavino & Louzada, 2001. a—body,dorsal view; b—head, male (weak knobs, arrows); c—head, female (transversal ridges, arrows); d—pronotum; e—surface of elytral interstriae. Aedeagus. flateral view; g—ventral view; h—dorsal view.
Fig. 1. Dichotomius aielloae. A in A New Species in the SubgenusSelenocoprisBurmeister, 1846 (Coleoptera: Scarabaeidae: Scarabaeinae:DichotomiusHope) from Panama
Fig. 1. Dichotomius aielloae. A) Holotype male STOCKWELL STRI-ENT 0046987, dorsal habitus, B) Paratype female STOCKWELL STRI-ENT 0046985, dorsal habitus, C) Same paratype female, ventral habitus, D) Frontal view of male cephalic carina with a central blade-like horn. E) Detail of female sixth sternite with white arrow indicating the central pair of tubercles.
Figure 2 in New data and species for the Dichotomius speciosus (Waterhouse, 1891) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 2. Dichotomius (Selenocopris) geraldimi: (a) male dorsal habitus; (b) female dorsal habitus; (c) aedeagus, dorsal view; (d) male lateral view.
Figure 4 in A taxonomic revision of the globulus species group of Dichotomius Hope, 1838 (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 4. Tegmen, dorsal and ventral views, respectively. (a,b) Dichotomius benesi; (c,d) D. berthalutzae sp. nov.; (e,f) D. femoratus; (g,h) D. fortepunctatus; (i,j) D. gamboaensis. Scale bar: 500 µm
Figure 5 in A taxonomic revision of the globulus species group of Dichotomius Hope, 1838 (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 5. Endophallites. (a) Dichotomius benesi, endophallus with endophallites, dorsal view. Medial endophallite: (b) D. benesi; (c) D. berthalutzae sp. nov.; (d,e) D. femoratus; (f) D. fortepunctatus; (g) D. gamboaensis. Accessory endophallites: (h) D. benesi; (i) D. berthalutzae sp. nov.; (j) D. femoratus; (k) D. fortepunctatus; (l) D. gamboaensis. Abbreviations: FLP, fronto-lateral peripherical endophallite; A +SA, subaxial and axial endophallites; SRP, superior-right peripheral endophallite.
Figure 3 in A taxonomic revision of the globulus species group of Dichotomius Hope, 1838 (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 3. Detailed morphology of the species in the globulus group. (a) Ventral view of male, Dichotomius femoratus; (b) ventral view of male, D. gamboaensis; (c) male head, D. fortepunctatus; (d) female head, D. gamboaensis; (e) pronotum of male, D. femoratus; (f) pronotum of male, D. fortepunctatus; (g) elytral striae of male, D. fortepunctatus; (h) elytral striae (Estria) of male (ShMicro, shagreened microsculpture), D. femoratus; (i) elytral striae of male, D. berthalutzae sp. nov.; (j) male abdominal ventrites in ventral view, D. berthalutzae sp. nov.; (k) male abdominal ventrites in ventral view, D. femoratus; (l) female abdominal ventrites in lateral view, D. femoratus.
Figure 2 in A taxonomic revision of the globulus species group of Dichotomius Hope, 1838 (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 2. Holotypes. Dichotomius danieli, male: (a,b) Dorsal and ventral views; (c) labels; (d–f) tegmen in dorsal, ventral and lateral views; D. favi, male: (g,h) dorsal and ventral views; (i) labels; (j–l) tegmen in dorsal, ventral and lateral views. D. rodrigoi, male: (m,n) dorsal and ventral views; (o) labels; (p–r) tegmen in dorsal, ventral view and lateral views. Lectotype D. globulus, male: (s,t) dorsal and ventral views; (u) labels.
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