Myllaena procidua
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Myllaena
Name
Myllaena procidua Casey – Wikispecies link – Pensoft Profile
Diagnosis
This species may be distinguished by its body shape (Fig. 124), small size (about 1.6–2.3 mm long), antennal articles VII–X elongate (Fig. 124), and the shape of the median lobe of the aedeagus and the spermatheca (Figs 125, 126, 131). It is worthy to note that the median lobe of Myllaena procidua is similar to that of Myllaena kaskaskia Klimaszewski and Myllaena vulpina Bernhauer, but the shape of the spermatheca differs significantly and has much better diagnostic features for identification of this species.
Distribution
| Origin | Nearctic |
| Distribution | Canada: NL, NB, QC. USA: MA, MD, VA |
| New records | New provincial record; Canada, NEWFOUNDLAND: Port au Port, Pen., Mainland, 48.5589°N, 59.1874°W, 9 m, 28-VII-2011, margin of stream, D. Langor & G. Pohl (MUN) 1 male; Blow Me Down, 49.049°N, 58.253°W, 400 m, banks of river, 26-VI-2010, D. Langor (MUN) 1 male. |
| References | Casey 1911[1], Klimaszewski 1982[2], Webster et al. 2009[3] |
Bionomics
The Newfoundland specimens were taken on the gravel banks of a stream and a river. In New Brunswick, adults occurred along river (clear water) margins among cobblestones set in sand and fine gravel at the water’s edge, or among gravel at the edge of the water (Webster et al. 2009[3]). Adults were located by turning over cobblestones and larger pebbles (Webster et al. 2009[3]). In New Brunswick, adults were collected during May, June, July and August, by turning over cobblestones and pebbles (Webster et al. 2009[3]).
Taxon Treatment
- Klimaszewski, J; Langor, D; Bourdon, C; Gilbert, A; Labrecque, M; 2016: Two new species and new provincial records of aleocharine rove beetles from Newfoundland and Labrador, Canada (Coleoptera, Staphylinidae, Aleocharinae) ZooKeys, (593): 49-89. doi
Images
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Other References
- ↑ Casey T (1911) New American species of Aleocharinae and Myllaeninae. Memoirs on the Coleoptera 2. The New Era Printing Co., Lancaster, 245 pp.
- ↑ Klimaszewski J (1982) Studies of Myllaenini (Coleoptera: Staphylinidae, Aleocharinae). 1. Systematics, phylogeny, and zoogeography of Nearctic Myllaena Erichson. The Canadian Entomologist 114: 181–242. doi: 10.4039/Ent114181-3
- ↑ 3.0 3.1 3.2 3.3 Webster R, Klimaszewski J, Pelletier G, Savard K (2009) New Staphylinidae (Coleoptera) records with new collection data from New Brunswick, Canada. I. Aleocharinae. ZooKeys 22: 171–248. doi: 10.3897/zookeys.22.152
