Difference between revisions of "Pachybrachis m-nigrum"
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{{Publication to wiki notice | {{Publication to wiki notice | ||
| − | | author = | + | | author = Barney, Robert J. AND LeSage, Laurent AND Savard, Karine |
| − | | author_abbreviated = | + | | author_abbreviated = Barney R AND LeSage L AND Savard K |
| − | | year = | + | | year = 2013 |
| − | | title = | + | | title = ''Pachybrachis'' (Coleoptera, Chrysomelidae, Cryptocephalinae) of Eastern Canada |
| journal = ZooKeys | | journal = ZooKeys | ||
| − | | volume = | + | | volume = 332 |
| − | | pages = | + | | pages = 95--175 |
| − | | doi = 10.3897/zookeys. | + | | doi = 10.3897/zookeys.332.4753 |
| − | | citationurl = http://www.pensoft.net/journals/zookeys/article/ | + | | citationurl = http://www.pensoft.net/journals/zookeys/article/4753/citation/ |
| − | | url = http://www.pensoft.net/journals/zookeys/article/ | + | | url = http://www.pensoft.net/journals/zookeys/article/4753/abstract |
| publisher = Pensoft Publishers | | publisher = Pensoft Publishers | ||
| publisherurl = http://www.pensoft.net/ | | publisherurl = http://www.pensoft.net/ | ||
| Line 24: | Line 24: | ||
| Infraspecific name = | | Infraspecific name = | ||
| Taxon rank = | | Taxon rank = | ||
| − | | Taxon authority = (Melsheimer, 1847) | + | | Taxon authority = (F. E. Melsheimer, 1847) |
| Taxon status = | | Taxon status = | ||
| + | | Nomenclature citation = {{Nomenclature citation |{{Taxon name|Cryptocephalus m-nigrum}} F. E. Melsheimer, 1847: 170.}} {{Nomenclature citation |''{{Taxon name|Pachybrachys intricatus}}'' Suffrian, 1852: 180.}} | ||
| Wikispecies page name = Pachybrachis_m-nigrum | | Wikispecies page name = Pachybrachis_m-nigrum | ||
| Pensoft Profile = Pachybrachis_m-nigrum | | Pensoft Profile = Pachybrachis_m-nigrum | ||
}} | }} | ||
| + | |||
| + | ==Recognition== | ||
| + | Pronotum usually with thick, black, M-shaped marking; elytra yellow with variable black markings, but these usually leaving basal, lateral and sutural margins yellow, in addition to a basal and median yellow spots on each elytron (Habitus 8); male size medium: length 2.59 ± 0.11 mm, width 1.42 ± 0.07 mm. | ||
| + | |||
| + | ==Distribution== | ||
| + | A typical eastern species distributed in the eastern half of the United States (Riley et al. 2003<ref name="B167">{{aut|Riley E}}, {{aut|Clark S}}, {{aut|Seeno T}} (2003) Catalog of the leaf beetles of America north of Mexico (Coleoptera: Megalopodidae, Orsodacnidae and Chrysomelidae, excluding Bruchinae). Coleopterists Society, Special Publication no. 1, 290 pp.</ref >). Its presence in the south of the eastern Townships, in Québec, corresponds to the northernmost limit of this species (Map 8). | ||
==Material examined== | ==Material examined== | ||
| − | + | NEW BRUNSWICK: York Co., 15 km W of Tracy, off Rt 645, [http://ptp.pensoft.eu/redirect_to_googlemap.php?labels%5B0%5D=45.6837%C2%B0N%2C+65.8809%C2%B0W&coordinates%5B0%5D=45.6837%C2%B0N%2C+65.8809%C2%B0W 45.6837°N, 65.8809°W], 22.vii.2007, red pine forest, sweeping foliage of ''{{Taxon name|Comptonia peregrina}}'', R. P. Webster <nowiki>[</nowiki>1?, RWIC<nowiki>]</nowiki>.<br /> | |
| + | QUÉBEC: Châteauguay Co., Ormstown, 12.VII.1977, sweeping, E. J. Kiteley <nowiki>[</nowiki>1♀, CNC<nowiki>]</nowiki>; same data, except 30.VII.1978 <nowiki>[</nowiki>1♂, CNC<nowiki>]</nowiki>; Huntingdon Co., Covey Hill, 30.VI.1927, G. S. Walley <nowiki>[</nowiki>1♀, CNC<nowiki>]</nowiki>; same data, except 1.VII.1927, W. J. Brown <nowiki>[</nowiki>1♀, CNC<nowiki>]</nowiki>. | ||
| − | == | + | ==Host plants== |
| − | + | An old record by Schwarz (1890)<ref name="B172">{{aut|Schwarz E}} (1890) Food-plants and food-habits of some North American Coleoptera. Proceedings of the Entomological Society of Washington 1: 231-233.</ref > concerned ''{{Taxon name|Toxicodendron radicans}}'' (L.) Kuntze) ({{Taxon name|Anachardiaceae}}), but this was probably based on misidentified specimens of ''{{Taxon name|Pachybrachis tridens}}''. Clark et al. (2004)<ref name="B44">{{aut|Clark S}}, {{aut|LeDoux D}}, {{aut|Seeno T}}, {{aut|Riley E}}, {{aut|Gilbert A}}, {{aut|Sullivan J}} (2004) Host plants of leaf beetle species occurring in the United States and Canada. The Coleopterists Society, Special Publication No. 2, 476 pp.</ref > reviewed the literature. More recently, Webster swept it from ''{{Taxon name|Comptonia peregrina}}'' ({{Taxon name|Myricaceae}}) (Webster et al. 2012<ref name="B181">{{aut|Webster R}}, {{aut|LeSage L}}, {{aut|DeMerchant I}} (2012) New Coleoptera records from New Brunswick, Canada: Megalopodidae and Chrysomelidae. ZooKeys 179: 321-348.</ref >). Recent surveying in Kentucky barrens/prairies by Barney et al. (2011)<ref name="B11">{{aut|Barney R}}, {{aut|Hall S}} (2011) New host plant records for selected Cryptocephaline leaf beetles (Coleoptera: Chrysomelidae) in Kentucky. The Coleopterists Bulletin 65(1): 15-19. doi: [http://dx.doi.org/10.1649/0010-065X-65.1.15 10.1649/0010-065X-65.1.15]</ref > cited ''{{Taxon name|Pachybrachis m-nigrum}}'' collected from and found to feed on St. John’s-wort, ''{{Taxon name|Hypericum dolabriforme}}'' Vent. ({{Taxon name|Clusiaceae}}) (Barney and Hall (2011)<ref name="B11">{{aut|Barney R}}, {{aut|Hall S}} (2011) New host plant records for selected Cryptocephaline leaf beetles (Coleoptera: Chrysomelidae) in Kentucky. The Coleopterists Bulletin 65(1): 15-19. doi: [http://dx.doi.org/10.1649/0010-065X-65.1.15 10.1649/0010-065X-65.1.15]</ref >). | |
| − | == | + | ==Comments== |
| − | + | Based upon external morphlogy, these specimens appear to be ''{{Taxon name|Pachybrachis m-nigrum}}''. However, extensive dissections of material from across the eastern half of the US reveal an externally similar species, but with a distinctly different aedeagus, from the midwestern states (Barney, unpublished data). | |
==Taxon Treatment== | ==Taxon Treatment== | ||
| − | *{{aut| | + | *{{aut|Barney, R}}; {{aut|LeSage, L}}; {{aut|Savard, K}}; 2013: ''Pachybrachis'' (Coleoptera, Chrysomelidae, Cryptocephalinae) of Eastern Canada [http://www.pensoft.net/journals/zookeys/ ''ZooKeys'',] '''332''': 95-175. {{doi|10.3897/zookeys.332.4753}} |
==Other References== | ==Other References== | ||
| Line 48: | Line 56: | ||
==Images== | ==Images== | ||
{{Gallery | lines=5 | width=250 | {{Gallery | lines=5 | width=250 | ||
| − | |1= File:ZooKeys- | + | |1= File:ZooKeys-332-095-g006.jpg|2= '''Figure 6.''' Pronotum: '''a''' reddish, with close-up of marginal bead, ''{{Taxon name|Pachybrachis bivittatus}}'' '''b''' mottled, ''{{Taxon name|Pachybrachis spumarius}}'' '''c''' with black M-mark, ''{{Taxon name|Pachybrachis m-nigrum}}'' '''d''' almost black, ''{{Taxon name|Pachybrachis nigricornis carbonarius}}''. |
| + | |3= File:ZooKeys-332-095-g018.jpg|4= '''Habitus 8.''' Dorsal habitus of ''{{Taxon name|Pachybrachis m-nigrum}}''. Scale bar, 1 mm. | ||
| + | |5= File:ZooKeys-332-095-g037.jpg|6= '''Map 8.''' The known distribution of ''{{Taxon name|Pachybrachis m-nigrum}}'' in eastern Canada. CL – Champlain Lake; SLR – St. Lawrence River. | ||
}} | }} | ||
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Ordo: Coleoptera
Familia: Chrysomelidae
Genus: Pachybrachis
Name
Pachybrachis m-nigrum (F. E. Melsheimer, 1847) – Wikispecies link – Pensoft Profile
- Cryptocephalus m-nigrum F. E. Melsheimer, 1847: 170.
- Pachybrachys intricatus Suffrian, 1852: 180.
Recognition
Pronotum usually with thick, black, M-shaped marking; elytra yellow with variable black markings, but these usually leaving basal, lateral and sutural margins yellow, in addition to a basal and median yellow spots on each elytron (Habitus 8); male size medium: length 2.59 ± 0.11 mm, width 1.42 ± 0.07 mm.
Distribution
A typical eastern species distributed in the eastern half of the United States (Riley et al. 2003[1]). Its presence in the south of the eastern Townships, in Québec, corresponds to the northernmost limit of this species (Map 8).
Material examined
NEW BRUNSWICK: York Co., 15 km W of Tracy, off Rt 645, 45.6837°N, 65.8809°W, 22.vii.2007, red pine forest, sweeping foliage of Comptonia peregrina, R. P. Webster [1?, RWIC].
QUÉBEC: Châteauguay Co., Ormstown, 12.VII.1977, sweeping, E. J. Kiteley [1♀, CNC]; same data, except 30.VII.1978 [1♂, CNC]; Huntingdon Co., Covey Hill, 30.VI.1927, G. S. Walley [1♀, CNC]; same data, except 1.VII.1927, W. J. Brown [1♀, CNC].
Host plants
An old record by Schwarz (1890)[2] concerned Toxicodendron radicans (L.) Kuntze) (Anachardiaceae), but this was probably based on misidentified specimens of Pachybrachis tridens. Clark et al. (2004)[3] reviewed the literature. More recently, Webster swept it from Comptonia peregrina (Myricaceae) (Webster et al. 2012[4]). Recent surveying in Kentucky barrens/prairies by Barney et al. (2011)[5] cited Pachybrachis m-nigrum collected from and found to feed on St. John’s-wort, Hypericum dolabriforme Vent. (Clusiaceae) (Barney and Hall (2011)[5]).
Comments
Based upon external morphlogy, these specimens appear to be Pachybrachis m-nigrum. However, extensive dissections of material from across the eastern half of the US reveal an externally similar species, but with a distinctly different aedeagus, from the midwestern states (Barney, unpublished data).
Taxon Treatment
- Barney, R; LeSage, L; Savard, K; 2013: Pachybrachis (Coleoptera, Chrysomelidae, Cryptocephalinae) of Eastern Canada ZooKeys, 332: 95-175. doi
Other References
- ↑ Riley E, Clark S, Seeno T (2003) Catalog of the leaf beetles of America north of Mexico (Coleoptera: Megalopodidae, Orsodacnidae and Chrysomelidae, excluding Bruchinae). Coleopterists Society, Special Publication no. 1, 290 pp.
- ↑ Schwarz E (1890) Food-plants and food-habits of some North American Coleoptera. Proceedings of the Entomological Society of Washington 1: 231-233.
- ↑ Clark S, LeDoux D, Seeno T, Riley E, Gilbert A, Sullivan J (2004) Host plants of leaf beetle species occurring in the United States and Canada. The Coleopterists Society, Special Publication No. 2, 476 pp.
- ↑ Webster R, LeSage L, DeMerchant I (2012) New Coleoptera records from New Brunswick, Canada: Megalopodidae and Chrysomelidae. ZooKeys 179: 321-348.
- ↑ 5.0 5.1 Barney R, Hall S (2011) New host plant records for selected Cryptocephaline leaf beetles (Coleoptera: Chrysomelidae) in Kentucky. The Coleopterists Bulletin 65(1): 15-19. doi: 10.1649/0010-065X-65.1.15
Images
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