Difference between revisions of "Pachybrachis luctuosus"

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Latest revision as of 14:39, 19 September 2013

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Barney R, LeSage L, Savard K (2013) Pachybrachis (Coleoptera, Chrysomelidae, Cryptocephalinae) of Eastern Canada. ZooKeys 332 : 95–175, doi. Versioned wiki page: 2013-09-19, version 36929, https://species-id.net/w/index.php?title=Pachybrachis_luctuosus&oldid=36929 , contributors (alphabetical order): Pensoft Publishers.

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BibTeX:

@article{Barney2013ZooKeys332,
author = {Barney, Robert J. AND LeSage, Laurent AND Savard, Karine},
journal = {ZooKeys},
publisher = {Pensoft Publishers},
title = {Pachybrachis (Coleoptera, Chrysomelidae, Cryptocephalinae) of Eastern Canada},
year = {2013},
volume = {332},
issue = {},
pages = {95--175},
doi = {10.3897/zookeys.332.4753},
url = {http://www.pensoft.net/journals/zookeys/article/4753/abstract},
note = {Versioned wiki page: 2013-09-19, version 36929, https://species-id.net/w/index.php?title=Pachybrachis_luctuosus&oldid=36929 , contributors (alphabetical order): Pensoft Publishers.}

}

RIS/ Endnote:

TY - JOUR
T1 - Pachybrachis (Coleoptera, Chrysomelidae, Cryptocephalinae) of Eastern Canada
A1 - Barney R
A1 - LeSage L
A1 - Savard K
Y1 - 2013
JF - ZooKeys
JA -
VL - 332
IS -
UR - http://dx.doi.org/10.3897/zookeys.332.4753
SP - 95
EP - 175
PB - Pensoft Publishers
M1 - Versioned wiki page: 2013-09-19, version 36929, https://species-id.net/w/index.php?title=Pachybrachis_luctuosus&oldid=36929 , contributors (alphabetical order): Pensoft Publishers.

M3 - doi:10.3897/zookeys.332.4753

Wikipedia/ Citizendium:

<ref name="Barney2013ZooKeys332">{{Citation
| author = Barney R, LeSage L, Savard K
| title = Pachybrachis (Coleoptera, Chrysomelidae, Cryptocephalinae) of Eastern Canada
| journal = ZooKeys
| year = 2013
| volume = 332
| issue =
| pages = 95--175
| pmid =
| publisher = Pensoft Publishers
| doi = 10.3897/zookeys.332.4753
| url = http://www.pensoft.net/journals/zookeys/article/4753/abstract
| pmc =
| accessdate = 2024-12-23

}} Versioned wiki page: 2013-09-19, version 36929, https://species-id.net/w/index.php?title=Pachybrachis_luctuosus&oldid=36929 , contributors (alphabetical order): Pensoft Publishers.</ref>

See also the citation download page at the journal.


Taxonavigation

Ordo: Coleoptera
Familia: Chrysomelidae
Genus: Pachybrachis

Name

Pachybrachis luctuosus Suffrian, 1858Wikispecies linkPensoft Profile

Recognition

Color black or piceous; ocular lines absent; pronotum and sides of elytra with few yellow marks; elytral punctures confused in scutellar area, in fairly regular rows in apical half; elytral striae deep and quite regular (Habitus 6); aedeagus with terminal nodule and denticle forming small, 90o diamond shape (Figure 10a); male size small: length 1.87 ± 0.10 mm, width 0.95 ± 0.11 mm.

Distribution

A relatively rare Atlantic species distributed from Alabama to New York in the United States (Riley et al. 2003[1]; Barney, unpublished data). The Parry Sound specimens in Ontario and those of the Île-du-Grand-Calumet in the Ottawa River are two small populations disjunct from the main Atlantic one (Map 6).

Material examined

ONTARIO: Hastings Co., 20.VI.1952, J. F. Brimley [1♂, CNC]; Parry Sound Dist., Hwy. 69, 12 km S Shawanaga, 13.VII.1995, B. F. & J. L. Carr [1♂, CNC]. Leeds Co., 7.VIII.1950, ex. pine, J. F. Brimley [3♂ 12♀, CNC].
QUÉBEC: Pontiac Co., L’Île-du-Grand-Calumet, 3.VIII.1985, on Pinus resinosa Ait., Larochelle & Larivière [1♂ 1♀, CNC]; Luskville, 4.VII.1985, on Quercus rubra L., Larochelle & Larivière [1♂, CNC].

Host plants

A large series was taken on pine in Leeds Co., ON. Pachybrachis luctuosus was first reported from Pinus virgiana P. Mill. in Alabama (Balsbaugh and Hays 1972[2]). This record was extended to the northeastern states by Wilcox (1979)[3], and assumed to be valid as well in West Virginia (Clark 2000[4]). Specimens from Larochelle & Larivière had label notations reporting collections from Pinus resinosa Ait. and Quercus rubra L.

Comments

Pachybrachis luctuosus is another of Fall’s (1915) Group C species that have “great variation in the degree of (elytral) maculation.” Fall commented that he would not be surprised if Pachybrachis carolinensis Fallwas a paler form of Pachybrachis luctuosus. Our comparison of aedeagi of specimens identified by Fall as either Pachybrachis luctuosus or Pachybrachis carolinensis revealed the same, distinctive form – the subplanar surface with one median subapical denticle. Pachybrachis carolinensis appears to be a larger, more yellow variation, but more work needs to be done. Pachybrachis luctuosus is reported for the first time in Canada, and therefore, is also a first record for ON and QC.

Taxon Treatment

  • Barney, R; LeSage, L; Savard, K; 2013: Pachybrachis (Coleoptera, Chrysomelidae, Cryptocephalinae) of Eastern Canada ZooKeys, 332: 95-175. doi

Other References

  1. 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.
  2. Balsbaugh E, Hays K (1972) The leaf beetles of Alabama (Coleoptera: Chrysomelidae). Auburn University Agricultural Experiment Station Bulletin 441: 1-223.
  3. Wilcox J (1979) Leaf beetle host plants in Northeastern North America (Coleoptera: Chrysomelidae). North American Beetle Fauna Project. World Natural History Publications, Kinderhook, New York, 30 pp.
  4. Clark S (2000) An annotated list of the leaf beetles of West Virginia (Coleoptera: Orsodacnidae, Megalopodidae, Chrysomelidae exclusive of Bruchinae). Occasional Publications of the West Virginia Department of Agriculture 1: 1-93.

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