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New Anthribidae (Coleoptera: Curculionoidea)
in Dominican and Mexican ambers

George Poinar, Jr. and Andrei A. Legalov

Plain Language Abstract

This work deals with the descriptions of 18 new species of fungus weevils in Dominican and Mexican ambers (Lower Miocene, 20-15 million years old) of Cordillera Septentrional of the northern portion of the Dominican Republic and Chiapas Highlands of the Simojovel area in Mexico. Seven genera are reported in the fossil state for the first time. The above descriptions of fungus weevils add yet another family of curculionid beetles to the New World amber faunas.

Resumen en Español

in progress

Traducción: Enrique Peñalver (Sociedad Española de Paleontología) or Diana Elizabeth Fernández

Résumé en Français

Nouveaux Anthribidae (Coleoptera : Curculionoidea) dans les ambres dominicain et mexicain

Dix-huit nouvelles espèces de la famille Anthribidae sont décrites à partir de fossiles provenant des ambres dominicain et mexicain : Euparius elongatus sp. nov. dans la tribu Cratoparini, Toxonotus comatus sp. nov. dans la tribu Platystomini, Eugonus adustus sp. nov. et E. angustus sp. nov. dans la tribu Eugonini, Piesocorynus unibullus sp. nov., P. bibullus sp. nov., P. tribullus sp. nov., P. brevitectus sp. nov., P. hamus sp. nov., P. elongatus sp. nov., P. parategus sp. nov., P. villosus sp. nov., P. parvocorpus sp. nov., et Piezobarra brevisensoriata sp. nov. dans la tribu Piesocorynini, Choragus exsertus sp. nov. dans la tribu Choragini, Neoxenus globosus sp. nov., Cyptoxenus buchelus sp. nov. et C. ovatus sp. nov. dans la tribu Valenfriesiini. Ce sont les premières occurrences des genres Eugonus, Piezobarra, Choragus, Neoxenus, et Cyptoxenus dans la faune d'Hispaniola. Les genres Toxonotus, Eugonus, Piesocorynus, Piezobarra, Neoxenus, et Cyptoxenus sont signalés dans le registre fossile pour la première fois. Ces nouveaux taxons confirment la diversité de la faune de Curculionoidea de l'ambre du Nouveau Monde.

Mots-clés : Anthribinae ; Choraginae ; nouvelle espèce ; fossiles ; Miocène

Translator: Antoine Souron

Deutsche Zusammenfassung

Neue Anthribidae (Coleoptera: Curculionoidea) im Dominikanischen und Mexikanischen Bernstein

Achtzehn neue Arte der Familie Anthribidae aus dem Dominikanischen und Mexikanischen Bernstein werden beschrieben. Diese beinhalten Euparius elongatus sp. nov. im Tribus Cratoparini, Toxonotus comatus sp. nov. im Tribus Platystomini, Eugonus adustus sp. nov. und E. angustus sp. nov. im Tribus Eugonini, Piesocorynus unibullus sp. nov., P. bibullus sp. nov., P. tribullus sp. nov., P. brevitectus sp. nov., P. hamus sp. nov., P. elongatus sp. nov., P. parategus sp. nov., P. villosus sp. nov., P. parvocorpus sp. nov., Piezobarra brevisensoriata sp. nov. im Tribus Piesocorynini, Choragus exsertus sp. nov. im Tribus Choragini, Neoxenus globosus sp. nov., Cyptoxenus buchelus sp. nov. und C. ovatus sp. nov. im Tribus Valenfriesiini. Dies sind die ersten Nachweise der Gattungen Eugonus, Piezobarra, Choragus, Neoxenus und Cyptoxenus in der Fauna von Hispaniola. Über die Gattungen Toxonotus, Eugonus, Piesocorynus, Piezobarra, Neoxenus und Cyptoxenus wird zum ersten Mal als Fossilien berichtet. Diese neuen Taxa zeigen die Diversität der Curculionoidea-Fauna im Bernstein der Neuen Welt auf.

Schlüsselwörter:: Anthribinae; Choraginae; neue Art; Fossilien; Miozän

Translator: Eva Gebauer

Arabic

Translator: Ashraf M.T. Elewa

 

 

FIGURE 1. Holotype of Eupariuselongatus sp. nov. PACO no. C-106 in Mexican amber. 1, dorsal view, scale bar equals 1.0 mm; and 2, lateral view, scale bar equals 1.3 mm.

figure 1

FIGURE 2. Holotype of Toxonotus comatus sp. nov. PACO no. C-100 in Dominican amber. 1, dorsal view, scale bar equals 1.0 mm; and 2, lateral view, scale bar equals 1.2 mm.

figure 2

FIGURE 3. Holotype of Eugonusadustus sp. nov. PACO no. C-99 in Dominican amber. 1, dorsal view, scale bar equals 0.6 mm; 2, ventral view, scale bar equals 0.6 mm; and 3, lateral view, scale bar equals 0.9 mm.

figure 3

FIGURE 4. Holotype of Eugonusangustus sp. nov. PACO no. C-112 in Dominican amber. 1, dorsal view, scale bar equals 1.2 mm; 2, ventral view, scale bar equals 1.3 mm; and 3, lateral view, scale bar equals 1.4 mm.

figure 4

FIGURE 5. Holotype of Piesocorynusunibullus sp. nov. PACO no. C-83 in Dominican amber. 1, dorsal view, scale bar equals 1.3 mm; 2, lateral view, scale bar equals 1.3 mm; and 3, ventral view, scale bar equals 1.2 mm.

figure 5

FIGURE 6. Holotype of Piesocorynusbibullus sp. nov. ISEA DA no. 2015/1 in Dominican amber. 1, dorsal-lateral view, scale bar equals 1.0 mm; and 2, lateral view, scale bar equals 0.8 mm.

figure 6

FIGURE 7. Holotype of Piesocorynustribullus sp. nov. PACO no. C-85 in Dominican amber. 1, dorsal view, scale bar equals 1.1 mm; 2, ventral view, scale bar equals 1.2 mm; and 3, lateral view, scale bar equals 1.3 mm.

figure 7

FIGURE 8. Holotype of Piesocorynusbrevitectus sp. nov. PACO no. C-101 in Mexican amber. 1, dorsal view, scale bar equals 1.1 mm; 2, ventral view, scale bar equals 1.3 mm; 3, and lateral view, scale bar equals 1.2 mm.

figure 8

FIGURE 9. Holotype of Piesocorynushamus sp. nov. PACO no. C-86 in Dominican amber. 1, dorsal view, scale bar equals 1.1 mm; 2, ventral view, scale bar equals 1.0 mm; and 3, lateral view, scale bar equals 1.1 mm.

figure 9

FIGURE 10. Holotype of Piesocorynuselongatus sp. nov. PACO no. C-102 in Mexican amber. 1, dorsal view, scale bar equals 1.0 mm; 2, ventral view, scale bar equals 0.8 mm; and 3, lateral view, scale bar equals 0.8 mm.

figure 10

FIGURE 11. Holotype of Piesocorynusparategus sp. nov. PACO no. C-103 in Mexican amber. 1, dorsal view, scale bar equals 0.8 mm; 2, ventral view, scale bar equals 0.7 mm; and 3, lateral view, scale bar equals 0.7 mm.

 figure 11

FIGURE 12. Holotype of Piesocorynusvillosus sp. nov. PACO no. C-104 in Mexican amber. 1, dorsal view, scale bar equals 0.9 mm; 2, ventral view, scale bar equals 0.7 mm; and 3, lateral view, scale bar equals 0.9 mm.

figure 12

FIGURE 13. Holotype of Piesocorynusparvocorpus sp. nov. PACO no. C-105 in Mexican amber. 1, dorsal view, scale bar equals 0.5 mm; 2, ventral view, scale bar equals 0.4 mm; and 3, lateral view, scale bar equals 0.4 mm.

figure 13

FIGURE 14. Holotype of Piezobarra brevisensoriata sp. nov. PACO no. C-91 in Dominican amber. 1, dorsal view, scale bar equals 1.2 mm; and 2, lateral view, scale bar equals 1.0 mm.

 figure 14

FIGURE 15. Holotype of Choragus exsertus sp. nov. PACO no. C-90 in Dominican amber. 1, dorsal view, scale bar equals 0.3 mm; 2, ventral view, scale bar equals 0.4 mm; and 3, lateral view, scale bar equals 0.4 mm.

figure 15

FIGURE 16. Holotype of Neoxenusglobosus sp. nov. PACO no. C-93 in Dominican amber. 1, dorsal view, scale bar equals 0.4 mm; 2, ventral view, scale bar equals 0.4 mm; and 3, lateral view, scale bar equals 0.4 mm.

figure 16

FIGURE 17. Holotype of Cyptoxenusbuchelus sp. nov. PACO no. C-88 in Dominican amber. 1, dorsal view, scale bar equals 0.5 mm; 2, ventral view, scale bar equals 0.4 mm; and 3, lateral view, scale bar equals 0.7 mm.

figure 17

FIGURE 18. Holotype of Cyptoxenus ovatus sp. nov. PACO no. C-96 in Dominican amber. 1, dorsal view, scale bar equals 0.5 mm; 2, ventral view, scale bar equals 0.5 mm; and 3, lateral view, scale bar equals 0.6 mm.

figure 18

 

author1George Poinar, Jr. Department of Integrative Biology, Oregon State University, Corvallis, Oregon 97331, USA. This email address is being protected from spambots. You need JavaScript enabled to view it.

George Poinar Jr. has studied amber inclusions for over 40 years.

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author2Andrei A. Legalov. Laboratory of Phylogeny and Faunogenesis, Institute of Systematics and Ecology of Animals, Siberian Branch, Russian Academy of Sciences, Frunze street, 11, Novosibirsk 630091, Russia. This email address is being protected from spambots. You need JavaScript enabled to view it.

Andrei Legalov is an expert on fossil weevils (Coleoptera: Curculionoidea). 

 

Key to species of the genus Piesocorynus in Dominican and Mexican amber.

1. Elytron with tubercles on third interval 2
  - Elytron without tubercles on third interval 4
2. Elytron with one tubercle at base of second and third intervals --- P. unibullus sp. nov.  
  - Elytron with two or three tubercles on third interval 3
3. Elytron with two tubercles on third interval: one at base and one in middle P. bibullus sp. nov.
  - Elytron with three tubercles: one at base of second and third intervals, one in middle and one before apex of third interval P. tribullus sp. nov.
4. Antennae long, extending beyond humeri 5
  - Antennae short, not reaching, or reaching humeri 6
5. Elytra short. Pronotum elongate with sides evenly rounded P. brevitectus sp. nov.
  - Elytra elongate. Pronotum short with sides angular in middle P. hamus sp. nov.
6. Pronotum elongate. Elytra 1.4 times as long as pronotum P. elongatus sp. nov

 

  - Pronotum short. Elytra 1.6-2.0 times as long as pronotum 7
7. Elytra approximately equal in length and width P. parategus sp. nov.
  - Elytra considerably longer than wide (1.3-1.4 times) 8
8. Body size large (4.8 mm). Punctures in striae of elytra large. Pronotum slightly longer than wide. P. villosus sp. nov.
  - Body size smaller (2.5 mm). Punctures in striae of elytra fine. Pronotum transverse P. parvocorpus sp. nov.