Zygops
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Ordo: Coleoptera
Familia: Curculionidae
Name
Zygops Schoenherr, 1825: c.586 – Wikispecies link – Pensoft Profile
- [[|]] = Eccoptus Dejean, 1821: 86 [Syn.: O’Brien and Wibmer 1984[1]: 296]. Type species: Curculio strix Olivier, 1790 [by monotypy]. Suppressed for priority (ICZN 1987).
- [[|]] = Eccyptus [Fischer von Waldheim], 1829: 99. Type species: Curculio strix Olivier, 1790 [by monotypy].
Type species
Poecilma wiedii Germar, 1824.
Gender
Masculine.
Diagnosis
Of the genera occuring north of South America, Zygops could be mistaken only with Peltophorus with the large, exposed pygidium that is mostly visible in dorsal view and deflecting the fifth abdominal ventrite ventrally at the apex, and the sulcate subapical constriction of the prothorax. Zygops can be differentiated from Peltophorus by the shorter metatibial setal comb (Fig. 34), the much longer second funicular article (usually at least 2 times longer in Zygops, 1.5-2 times longer in Peltophorus), the metafemora ventrally with more than one tooth (in many species), the more elongate tibial uncus (Fig. 34), and the less developed mesoventrite, which in Zygops is usually flattened, but in some with the posterolateral margin tumescent (e.g. Z. maculipes Desbrochers, 1891) or with small projections (e.g. the South American Z. leucogaster Desbrochers, 1891). The prosternal channel is sometimes very narrow and scarcely depressed, and the procoxae are sometimes very narrowly separated or even contiguous (e.g. in Z. maculipes).
Notes
The genus Eccoptus Dejean, 1821 was suppressed despite having priority over Zygops Schoenherr, 1825 (petitioned in O’Brien and Wibmer 1986[2], ruled by ICZN 1987) for the purpose of nomenclatural stability: the name Eccoptus had been used much less frequently (though most recently resurrected in O’Brien and Wibmer 1982[3]) and the name Zygops formed the base for the subfamilial name in use at the time, Zygopinae.
Keys
Champion 1906b[4]: 21.
Phylogenetic relationships
See Peltophorus. Most similar to Peltophorus of the genera treated here, but the distinction between Zygops and the South American genera Parazygops and Colpothorax is less distinct, based on the shape of the rostrum and the shape of the prothorax, respectively.
Host associations
Some species have been reared from branches of various genera of Lecythidaceae (Fassbender 2013[5], Fassbender et al. 2014[6]).
Described species
Eighteen species are known from the focal region and an additional 34 species are known only from South America (Wibmer and O’Brien 1986[7]: 267).
Range
Mexico, Guatemala, Belize, Honduras, Nicaragua, Costa Rica, Panama, Dominican Republic (Poinar and Legalov 2013[8], fossil); South America.
Taxon Treatment
- Anzaldo, S; 2017: Review of the genera of Conoderinae (Coleoptera, Curculionidae) from North America, Central America, and the Caribbean ZooKeys, (683): 51-138. doi
Images
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![Figures 19–36. Variation in the metatibial apex. 19 Mesotibial apex of Lechriops vestitus illustrating parts of the tibial apex: a) posterior apical angle with large, curved uncus; b) middle of the apex with produced, rounded inner flange; c) anterior apical margin with premucro; d) oblique ridge of premucro; e) apical setal tuft 20 Male Trichodocerus brevilineatus [ARTSYS0000609] with a tibial uncus arising at the middle of the apex 21 Cratosomus punctulatus mexicanus [ASUHIC0031510] with thick fascicles of golden setae near the anterior apical margin and a dense setal brush at the posterior apical face 22 Pseudopiazurus centraliamericanus [ASUHIC0086627] with a large, subapical premucro 23 Piazurus laetus [SSAC0001077], showing a typical tibial apex for that genus 24 Acoptus suturalis [ASUHIC0016915] 25 Cylindrocopturinus pictus [SSAC0001288] with a pointed, premucro-like inner flange 26 Pseudolechriops klopferi [SSAC0001060] showing an elongate, uncus-like inner flange. 27 Arachnomorpha circumlineata [ARTSYS0000535] 28 Archocopturus medeterae [ASUHIC16884] 29 Cylindrocopturus adspersus [ASUHIC0016896] with a rounded, produced inner flange 30 Helleriella longicollis [ASUHIC0065241] with a very short uncus 31 Lissoderes cecropiae [ASUHIC0064707] with an elongate uncus and minute premucro 32 Phileas granulatus [ARTSYS0000528] with the middle of the apex (between uncus and premucro) sunken 33 Peltophorus adustus [ASUHIC0012325] with a short uncus and posterodistal setal comb extending halfway to the base of the tibia 34 Zygops erythropygus [ASUHIC0086640] with short posterodistal setal comb. 35 Philenis flavipes [ASUHIC0065102] 36 Philinna bicristata [ARTSYS0000799] with a small tooth at the anterior apical angle.](/wiki/File:Zookeys-683-051-g003.jpg)
![Figures 99–102. Lateral and dorsal habitus images of Zygopini. Scale bars = 2 mm unless otherwise specified. 99a–b Peltophorus polymitus suffusus [ASUHIC0016837]. 100a–b Phileas granulatus [ARTSYS0000528]. 101a–b Philenis flavipes [ASUHIC0065102]; scale bar for 101a = 1 mm 102a–b Zygops vitticollis [ASUHIC0086634]; scale bar for 102b = 5 mm.](/wiki/File:Zookeys-683-051-g015.jpg)
Other References
- ↑ O’Brien C, Wibmer G (1984) Annotated checklist of the weevils (Curculionidae sensu lato) of North America, Central America, and the West Indies – Supplement I. Southwestern Entomologist 9(3): 286–307.
- ↑ O’Brien C, Wibmer G (1986) Zygops Schoenherr, 1825 (Insecta, Coleoptera): proposed conservation by the suppression of Eccoptus Dejean 1821. Bulletin of Zoological Nomenclature 43(1): 69–71. https://doi.org/10.5962/bhl.part.377
- ↑ O’Brien C, Wibmer G (1982) Annotated checklist of the weevils (Curculionidae sensu lato) of North America, Central America, and the West Indies (Coleoptera: Curculionidae). Memoirs of the American Entomological Institute 34: 1–382.
- ↑ Champion G (1906b) Insecta – Coleoptera – Rhychophora – Curculionidae – Curculioninae (part). In: Champion GC (Ed.) Biologia Centrali-Americana (Vol. 4, part 5). 1–136.
- ↑ Fassbender J (2013) Diversity, resource partitioning, and species turnover in Neotropical saproxylic beetles (Coleoptera: Cerambycidae, Curculionidae) associated with trees in the Brazil nut family (Lecythidaceae). Ph.D Thesis, The City College of New York, New York City.
- ↑ Fassbender J, Baxt A, Berkov A (2014) Niches of saproxylic weevils (Coleoptera: Curculionidae) in French Guiana. The Coleopterists Bulletin 68(4): 689–699. https://doi.org/10.1649/0010-065X-68.4.689
- ↑ Wibmer G, O’Brien C (1986) Annotated checklist of the weevils (Curculionidae sensu lato) of South America (Coleoptera: Curculionidae). Memoirs of the American Entomological Institute Number 39: 1–563.
- ↑ Poinar G, Legalov A (2013) New species of the subfamily Conoderinae (Coleoptera: Curculiondiae) in Dominican amber. Historical Biology 26(5): 556–562. https://doi.org/10.1080/08912963.2013.802311
