Rhytiphora collaris (Donovan, 1805)
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publication ID |
https://doi.org/ 10.11646/zootaxa.5312.1.1 |
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publication LSID |
lsid:zoobank.org:pub:E45A10FC-CB08-4C66-B1E9-B6857C58343B |
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DOI |
https://doi.org/10.5281/zenodo.8145710 |
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persistent identifier |
https://treatment.plazi.org/id/F8183D32-036D-7F49-FF2B-87589BCEFD8A |
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treatment provided by |
Plazi |
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scientific name |
Rhytiphora collaris |
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REVISION OF THE RHYTIPHORA COLLARIS View in CoL GROUP
The species R. collaris Donovan, 1805 belongs to a distinct group of five species with broadly separated antennae, small eyes and a curved white lateral stripe on the humeri. The group consists of: R. garnetensis sp. nov., R. amicula White, 1859 , R. collaris , R. delicatula McKeown, 1948 and R. piperitia Hope, 1841 . Preliminary analysis of mitochondrial data for all of these species (except R. delicatula ) confirms they are closely related but distinct lineages ( Ashman et al. 2022a). Here, we redescribe the species of the collaris group, as well as the morphologically similar (but genetically distant) R. argentata .
Key to species
1. Clypeus short (in line with mandibular articulation), with membranous anteclypeus visible beneath ( Fig. 7D View FIGURE 7 ); elytra with lateral white stripe usually extending from base to apex ( Fig. 8E View FIGURE 8 ); metanepisternum usually white...... R. collaris Donovan, 1805 View in CoL
– Clypeus extended beyond mandibular articulation, sometimes covering membranous anteclypeus ( Fig. 7E View FIGURE 7 ); elytra lateral white stripe never extending beyond basal third of elytron ( Fig. 8A–C View FIGURE 8 ); metanepisternum not white.........................2.
2. Prothorax with distinct transverse grooves on pronotal disc and anterior tubercule at lateral margin ( Fig. 7B View FIGURE 7 ).............3.
– Prothorax without distinct transverse grooves on pronotal disc or anterior tubercule at lateral margin ( Fig. 6C View FIGURE 6 )...........4.
3. Eyes deeply emarginate; antennal tubercules ~3.2 widths apart; antennomeres 3–7 with banded setae ( Fig. 8F View FIGURE 8 ); elytra usually heavily mottled with dorsal dark patches ( Fig. 7B View FIGURE 7 ; may be faded); male genitalia with parameres apically tapered, penis pointed ( Fig. 9E View FIGURE 9 ).......................................................................... R. piperitia Hope, 1841 View in CoL
– Eyes fully divided; antennal tubercules ~3.9 widths apart; antennomeres 3–7 with plain setae ( Fig. 8C View FIGURE 8 ); elytra lightly mottled without dorsal dark patches ( Fig. 6F View FIGURE 6 ); male genitalia with parameres apically blunt, penis rounded ( Fig. 9B View FIGURE 9 ).............................................................................................. R. amicula White, 1859 View in CoL
4. Eyes fully divided, lower lobes ~3.4 widths apart; clypeus flat; antennal tubercules ~3.2 widths apart; elytral base tuberculate, heavily mottled with ochre setae ( Fig. 6A View FIGURE 6 ); metaventrite with ochre patches above metacoxae ( Fig. 6B View FIGURE 6 ); male genitalia with parameres apically tapered ( Fig. 9A View FIGURE 9 ).................................................... R. garnetensis sp. nov.
– Eyes deeply emarginate, lower lobes ~4.3 widths apart; clypeus arcuate; antennal tubercules ~3.8 widths apart; elytral base granulate, lightly mottled with ochre setae ( Fig. 6E View FIGURE 6 ); metaventrite without ochre patches; male genitalia with parameres apically blunt ( Fig. 9D View FIGURE 9 )............................................................... R. delicatula McKeown, 1948 View in CoL
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