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125 results for “Dichotomius”
FIGURE 2 in New brachypterous species of Dichotomius Hope, with taxonomic notes in the subgenus Luederwaldtinia Martínez (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 2. Dichotomius eucranioides (A) black arrow indicating crenulated clypeal margin; D. sexdentatus (B) black arrow indicating tooth or protuberance on clypeogenal junction (this is also seen on D. eucranioides); D. nisus (C) black arrow indicating the asymmetry of the parameres; D. crinicollis (D) black arrows indicating pilosity on the hypomeron; D. superbus (E) white arrow indicating gibbosities on the pronotum; D. schiffleri (D. sericeus species group) (F) white arrow indicating a fovea on the posterior angle of the pronotum; D. speciosus (G) black arrows indicating cephalic transversal carina; D. agenor (H) black arrow indicating male cephalic carina; D. glaucus (D. carbornarius species group) (I) elytra microsculpture.
FIGURE 1 in New brachypterous species of Dichotomius Hope, with taxonomic notes in the subgenus Luederwaldtinia Martínez (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 1. Dichotomius mysticus (A) dorsal habitus; (B) dorsal view of genitalia; (C) hind wing; and (D) tarsi and tarsal claw (indicated by black arrow). Dichotomius vidaurrei (E) dorsal habitus; (F) dorsal view of genitalia; and (G) hind wing. Scale bar = 1.5 mm.
FIGURE 2 in Taxonomic revision of the Dichotomius speciosus (Waterhouse, 1891) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 2. (A) dorsal habitus of a male Dichotomius speciosus (Waterhouse). (B) Dorsal habitus of a female D. speciosus. (C) Ventral view of a male paramera. (D) Lateral view of a male paramera.
FIGURE 3 in Taxonomic revision of the Dichotomius speciosus (Waterhouse, 1891) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 3. (A) dorsal habitus of a male Dichotomius opalescens (Felsche). (B) Dorsal habitus of a female D. opalescens. (C) Ventral view of a male paramera. (D) Lateral view of a male paramera.
FIGURE 6 in Taxonomic revision of the Dichotomius speciosus (Waterhouse, 1891) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 6. color variation of Dichotomius speciosus and D. opalescens. (A) green-to-red female D. speciosus. (B) green female D. speciosus. (C) red female D. speciosus. (D) dark blue female D. opalescens. (E) female D. opalescens with light brown elytra. All specimens of D. speciosus are from Campos do Jordão and all specimens of D. opalescens are from São Francisco de Paula.
FIGURE 1 in Taxonomic revision of the Dichotomius speciosus (Waterhouse, 1891) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 1. Diagnostic characters of the Dichotomius speciosus species group. (A) Ventral view of a male Dichotomius speciosus (Waterhouse) from Campos do Jordão—SP. (B) Anterior falciform calcar of a male Dichotomius speciosus. (C) Anterior falciform calcar of a male Dichotomius malyi n. sp. (D) Curved cephalic carina of a male D. speciosus. (E) Straight cephalic carina of a male D. speciosus. (F) Curved cephalic carina of a female D. speciosus. (G) Straight cephalic carina of a female D. speciosus. (H) Frontal view of the cephalic carina of a male D. speciosus.
FIGURE 7 in Taxonomic revision of the Dichotomius speciosus (Waterhouse, 1891) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 7. distribution map of the Dichotomius speciosus (Waterhouse) species group, except for D. malyi, with uncertain locality. (A) Distribution of D. speciosus, D. opalescens (Felsche) and D. alvarengai n. sp. (B) detailed map of the distribution of D. speciosus and D. alvarengai n. sp. showing Serra da Mantiqueira and Serra da Boqueira Ranges. (C) Detailed distribution of D. opalescens showing the Serra Geral range.
FIGURE 5 in Taxonomic revision of the Dichotomius speciosus (Waterhouse, 1891) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 5. (A) dorsal habitus of a male Dichotomius malyi n. sp. (B) Dorsal habitus of a female D. malyi n. sp. (C) Ventral view of a male paramera. (D) Lateral view of a male paramera.
FIGURE 4 in Taxonomic revision of the Dichotomius speciosus (Waterhouse, 1891) species group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 4. (A) dorsal habitus of a male Dichotomius alvarengai n. sp. (B) Dorsal habitus of a female D. alvarengai n. sp. (C) Ventral view of a male paramera. (D) Lateral view of a male paramera.
FIGURE 2 in Taxonomic review of the Dichotomius (Luederwaldtinia) assifer (Eschscholtz) species-group (Coleoptera: Scarabaeidae)
FIGURE 2. Dichotomius assifer (Eschscholtz). A. dorsal habitus of the male; B. dorsal habitus of the female; C. fronto-lateral view of the male head and pronotum; D. dorsal view of the paramera; E. lateral view of the aedeagus.
FIGURE 5 in Taxonomic review of the Dichotomius (Luederwaldtinia) assifer (Eschscholtz) species-group (Coleoptera: Scarabaeidae)
FIGURE 5. Dichotomius angeloi sp. nov. A. dorsal habitus of the male; B. dorsal habitus of the female; C. fronto-lateral view of the male head and pronotum; D. dorsal view of the paramera; E. lateral view of the aedeagus.
FIGURE 1 in Taxonomic review of the Dichotomius (Luederwaldtinia) assifer (Eschscholtz) species-group (Coleoptera: Scarabaeidae)
FIGURE 1. Diagnostics characters of Dichotomius (Luederwaldtinia) assifer species-group. A–B. excavation of the anterior portion of the hypomeron indicated by the white arrows; C. setae concentrated at the sides of abdominal sternites indicated by the black arrows. The sixth abdominal sternite, wider than the other sternites and bearing a central knob; D. medial tooth at the apex of hind tibiae indicated by the black arrow; E. pronotal disc surface showing well defined punctures typical on D. affinis, D. angeloi sp. nov. and D. machadoi; F. pronotal disc surface generally lacking punctures, smooth and shining, typical of D. assifer and D. louzadai sp. nov.; G. smooth and shining elytral interstriae disc, typical of D. assifer and D. louzadai sp. nov.; H. wrinkled interstriae disc, typical of D. affinis, D. machadoi and D. angeloi sp. nov.
FIGURE 4 in Taxonomic review of the Dichotomius (Luederwaldtinia) assifer (Eschscholtz) species-group (Coleoptera: Scarabaeidae)
FIGURE 4. Dichotomius affinis (Felsche). A. dorsal habitus of the male; B. dorsal habitus of the female; C. fronto-lateral view of the male head and pronotum; D. dorsal view of the paramera; E. lateral view of the aedeagus.
FIGURE 3 in Taxonomic review of the Dichotomius (Luederwaldtinia) assifer (Eschscholtz) species-group (Coleoptera: Scarabaeidae)
FIGURE 3. Dichotomius louzadai sp. nov. A. dorsal habitus of the male; B. dorsal habitus of the female; C. fronto-lateral view of the male head and pronotum; D. dorsal view of the paramera; E. lateral view of the aedeagus.
FIGURE 6 in Taxonomic review of the Dichotomius (Luederwaldtinia) assifer (Eschscholtz) species-group (Coleoptera: Scarabaeidae)
FIGURE 6. Dichotomius machadoi Pereira & Martínez. A. dorsal habitus of the male; B. dorsal habitus of the female; C. fronto-lateral view of the male head and pronotum; D. dorsal view of the paramera; E. lateral view of the aedeagus.
FIGURE 2 in New species, redescription and taxonomic notes in the Dichotomius (Luederwaldtinia) batesi (Harold) species-group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 2. (A) Dichotomius (L.) ocellatopunctatus (Felsche), lectotype m#. (A) Dorsal view. (B) ventral view.
FIGURE 1 in New species, redescription and taxonomic notes in the Dichotomius (Luederwaldtinia) batesi (Harold) species-group (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 1. (A) Dorsal habitus of the males of Dichotomius (L.) benesi n. sp. (B) Ventral habitus of the male of D. benesi. (C) Dorsal habitus of the female of D. benesi. (D) Dorsal habitus of the male genitalia of D. benesi. (E) lateral habitus of the male genitalia of D. benesi.
FIGURE 4 in New brachypterous species of Dichotomius (Selenocopris) Burmeister (Coleoptera: Scarabaeidae: Scarabaeinae) with the definition of species groups and taxonomic notes in the subgenus
FIGURE 4. Paratypes of Dichotomius (Selenocopris) darwini n. sp.: (A) male dorsal habitus; (B) female dorsal habitus; (C) dorsal view of male paramera; (D) lateral view of male paramera; (E) detail of male cephalic carina with striation; (F) detail of the anterior pronotal excavation with ocellate punctures. Scale bar = 5mm.
FIGURE 3 in New brachypterous species of Dichotomius (Selenocopris) Burmeister (Coleoptera: Scarabaeidae: Scarabaeinae) with the definition of species groups and taxonomic notes in the subgenus
FIGURE 3. Dichotomius (Selenocopris) ingens (Luederwaldt): (A) male dorsal habitus; (B) female dorsal habitus; (C) dorsal view of male paramera; (D) lateral view of male paramera; (E) holotype labels (NHML). Scale bar = 5mm.
FIGURE 7 in New brachypterous species of Dichotomius (Selenocopris) Burmeister (Coleoptera: Scarabaeidae: Scarabaeinae) with the definition of species groups and taxonomic notes in the subgenus
FIGURE 7. Dichotomius (Selenocopris) periotoi n. sp.: (A) male dorsal habitus; (B) female dorsal habitus; (C) dorsal view of male paramera; (D) lateral view of male paramera; (E) detail of the fine punctures of the anterior pronotal excavation. Scale bar = 5mm.
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