The status of the P2 song morph, a North American green lacewing of the Chrysoperla cornea species-group (Neuroptera: Chrysopidae)

1991 ◽  
Vol 69 (7) ◽  
pp. 1805-1813 ◽  
Author(s):  
Charles S. Henry
Keyword(s):  
Pacific Northwest ◽  
Species Group ◽  
Hybrid Origin ◽  
Stepwise Multiple Regression ◽  
Separate Species ◽  
Central California ◽  
The Pacific ◽  
Genetic Unit ◽  
The Status ◽  
Chrysoperla Plorabunda

The substrate-borne courtship song of the P2 song morph of Chrysoperla plorabunda is described. It is a tremulation signal, produced by rapid vertical oscillation (jerking) of the abdomen. Both sexes produce identical shortest repeated units (SRUs) and must duet with one another before mating. In each of five principal features of its song, the P2 morph is strikingly homogeneous throughout its broad geographical range in western North America; a stepwise multiple regression procedure shows that populations from the Pacific Northwest, central California, and southern California are acoustically identical. Recombination in subsequent laboratory generations has no effect on song variance, suggesting that the morph is stable and not of hybrid origin. The nominate form of C. plorabunda, here called P1, co-occurs with P2 at sites north of California and is morphologically identical with it. However, the songs of the two morphs differ significantly from one another in every feature; in particular, P2 volleys are longer and spaced farther apart than P1 volleys. Complicating the picture is a third cryptic song morph, P3, which co-occurs with P2 at most sites and produces a song characterized by even longer volleys. Hybrids produced in the laboratory between P1 and P3 have songs that superficially resemble those of P2, but which in fact are significantly different in most respects. The P2 song morph seems to be a cohesive genetic unit deserving recognition as a separate species.

Taxonomy, biogeography and phylogenetic position of the North African Ceramius maroccanus-complex (Hymenoptera: Vespidae, Masarinae)

1999 ◽  
Vol 30 (3) ◽  
pp. 323-348
Author(s):  
Volker Mauss
Keyword(s):  
Sister Group ◽  
Species Group ◽  
Phylogenetic Position ◽  
Flight Period ◽  
North African ◽  
Separate Species ◽  
The North ◽  
As Species ◽  
The Status ◽  
First Time

AbstractThe Ceramius maroccanus-complex is endemic to southwestern Morocco. The status of C. maroccanus (Giordani Soika 1957) and C. montanus Gusenleitner 1990 as separate species is confirmed, C. rubripes Gusenleitner 1990 stat. n. and C. gessi sp. n. are recognized as species for the first time. The four species are redescribed/described and illustrated, and their distribution and flight period are analysed. Identification keys to males and females are provided. The C. maroccanus-complex is a monophyletic group within 'Species group 7' of Richards 1962, and is probably the sister group of the C. lusitanicus-complex.

Media

2021 ◽  
pp. 114-135
Author(s):  
Crawford Gribben
Keyword(s):  
Pacific Northwest ◽  
Cultural Criticism ◽  
Media Culture ◽  
Publishing Program ◽  
The Pacific ◽  
The Status ◽  
Cultural Movement

The community at the heart of the migration to the Pacific Northwest was formed around a coterie of writers, whose distinctive arguments had come to prominence in a self-published magazine of theology and cultural criticism, Credenda Agenda (est. 1988). Over the last thirty years, the status and influence of this group has grown to warrant their working with major publishers, such as Random House and HarperCollins, and prominent writing partners, such as the late Christopher Hitchens, while also producing video productions on Netflix and Amazon Prime. This publishing program has been central to the community’s growth, advertising their key ideas while inviting readers and viewers to participate in the society that they established. Surveying this media culture, this chapter describes a well-resourced and increasingly influential conservative cultural movement that is preparing for survival, resistance, and the possibility that, as materiel for “God’s emerging army,” pens may be mightier than swords.

scholarly journals The Intracloud Lightning Fraction in the Contiguous United States

2017 ◽  
Vol 145 (11) ◽  
pp. 4481-4499 ◽  
Author(s):  
Gina Medici ◽  
Kenneth L. Cummins ◽  
Daniel J. Cecil ◽  
William J. Koshak ◽  
Scott D. Rudlosky
Keyword(s):  
United States ◽  
Pacific Northwest ◽  
Central California ◽  
The Pacific ◽  
Lightning Detection ◽  
Maximum Period ◽  
Total Lightning ◽  
Imaging Sensor ◽  
Optical Transient

This work addresses the long-term relative occurrence of cloud-to-ground (CG) and intracloud (IC; no attachment to ground) flashes for the contiguous United States (CONUS). It expands upon an earlier analysis by Boccippio et al. who employed 4-yr datasets provided by the U.S. National Lightning Detection Network (NLDN) and the Optical Transient Detector (OTD). Today, the duration of the NLDN historical dataset has more than tripled, and OTD data can be supplemented with data from the Lightning Imaging Sensor (LIS). This work is timely, given the launch of GOES-16, which includes the world’s first geostationary lightning mapper that will observe total lightning (IC and CG) over the Americas and adjacent ocean regions. Findings support earlier results indicating factor-of-10 variations in the IC:CG ratio throughout CONUS, with climatological IC fraction varying between 0.3 and greater than 0.9. The largest values are seen in the Pacific Northwest, central California, and where Colorado borders Kansas and Nebraska. An uncertainty analysis indicates that the large values in the northwest and central California are likely not due to measurement uncertainty. The high IC:CG ratio (>4) throughout much of Texas reported by Boccippio et al. is not supported by this longer-term climatology. There is no clear evidence of differences in IC fraction between land and coastal ocean. Lightning characteristics in six selected large regions show a consistent positive relationship between IC fraction and the percent of positive CG flashes, irrespective of lightning incidence (flash density), dominant season, or diurnal maximum period.

scholarly journals A morphological comparison of Arceuthobium abietinum and A. campylopodum (Viscaceae) and nomenclatural changes for A. abietinum

2019 ◽  
Vol 13 (1) ◽  
pp. 83-101
Author(s):  
Robert L. Mathiasen ◽  
Shawn C. Kenaley
Keyword(s):  
Pacific Northwest ◽  
Statistical Tests ◽  
Morphological Data ◽  
Dwarf Mistletoe ◽  
Multivariate Statistical ◽  
Morphological Comparison ◽  
Separate Species ◽  
Geographic Ranges ◽  
The Pacific ◽  
High Degree

Fir dwarf mistletoe (Arceuthobium abietinum, Viscaceae) parasitizes true firs (Abies spp.) in the Pacific Northwest through California, the Southwest, and into northern Mexico. At present, fir dwarf mistletoe consists of two special forms (formae speciales, f. sp.) and one subspecies that are morphologically similar, but exhibit a high degree of host specificity. However, A. abietinum has been treated as a subspecies of A. campylopodum or conspecific with it in some taxonomic treatments. Therefore, we undertook this study to compare the morphologies of these dwarf mistletoes; collecting morphological data from nearly 100 A. abietinum and 60 A. campylopodum populations collected across most of their geographic ranges and analyzing these data using univariate and multivariate statistical tests. Our results demonstrated that the special forms and subspecies of A. abietinum are morphologically distinct from A. campylopodum, thereby, supporting the continued recognition of A. abietinum as a separate species. Furthermore, our analysis found significant differences for several of the characters we examined between the special forms of A. abietinum. Therefore, we recombined the special forms as subspecies: A. abietinum subsp. abietinum (formerly f. sp. concoloris) and A. abietinum subsp. magnificae (formerly f. sp. magnificae). The previously described A. abietinum subsp. wiensii was morphologically distinct from subsp. abietinum and subsp. magnificae. The distinctiveness of these taxa was supported by their host affinities as well.

New Anthocoridae from North America, with Notes on the Status of some Genera and Species (Heteroptera)

1962 ◽  
Vol 94 (12) ◽  
pp. 1302-1309 ◽  
Author(s):  
Leonard A. Kelton ◽  
N. H. Anderson
Keyword(s):  
New Species ◽  
North America ◽  
Pacific Northwest ◽  
Forthcoming Paper ◽  
New Combinations ◽  
The Pacific ◽  
The Status ◽  
New Synonymy ◽  
Nearctic Region

The present paper brings together the latest knowledge on the species of Lyctocoris Hahn, Tetraphleps Fieber, and Elatophilus Reuter, in the Nearctic region. New synonymy and new combinations are listed, and distinguishing characters of the genera are presented. Five new species are described to make available the names for a forthcoming paper on Anthocoridae in the Pacific Northwest (Anderson, in press).

Description of Bradyetes paramatthei sp. nov. (Copepoda: Calanoida), a new aetideid species from the deep Pacific Ocean with notes on the genus Bradyetes

Zootaxa ◽  
2020 ◽  
Vol 4732 (2) ◽  
pp. 258-280
Author(s):  
ELENA L. MARKHASEVA ◽  
ANATOLY PETROV ◽  
JASMIN RENZ
Keyword(s):  
New Species ◽  
Pacific Ocean ◽  
Atlantic Ocean ◽  
Morphological Variability ◽  
Lateral Lobe ◽  
Species Group ◽  
The Other ◽  
Proximal Segment ◽  
Separate Species ◽  
The Pacific

A new and rare aetideid species of the benthopelagic genus Bradyetes Farran, 1905 is described from female specimens collected near the seafloor from the abyss of the Pacific, Atlantic and Southern Oceans between 2000 and 2014. The new species, Bradyetes paramatthei sp. nov., is described from the Kurile-Kamchatka Trench (Pacific Ocean) and is additionally reported from the Angola and Guinea basins and from the Meteor Seamount of the Atlantic Ocean. Bradyetes paramatthei sp. nov. is related to the species B. matthei Johannessen, 1976, but differs in the shape of the prosome posterior corners, which are oval-rounded, and in the proximal segment of the antennal exopod, which is supplied with one seta. These two species are shown to constitute a separate species group within the genus Bradyetes. The other species group contains the remaining congeners including Bradyetes inermis Farran, 1905, for which morphological variability is discussed. Specimens of this species show diverse morphology and comprise 3 morphotypes distinguished by the P1, with a developed or absent lateral lobe , the P1 basal medial seta, which is either nude or supplied with setules, and by the different number of setae of the maxillule praecoxal arthrite. 

scholarly journals Artemisia estesii (Asteraceae), a new diploid species of the Artemisia ludoviciana complex in the Pacific Northwest (U.S.A.)

2017 ◽  
Vol 11 (1) ◽  
pp. 1-9
Author(s):  
Kenton L. Chambers
Keyword(s):  
Pacific Northwest ◽  
Diploid Species ◽  
Species Group ◽  
Lake County ◽  
The Pacific ◽  
Hybrid Complex ◽  
Artemisia Species ◽  
Artemisia Ludoviciana ◽  
Deschutes River ◽  
Lobed Leaf

The new species described here, Artemisia estesii, belongs to the Artemisia ludoviciana Nutt. species’ group in the Pacific Northwest. It was shown by J.R. Estes (1968a, 1969) to be a diploid member of an otherwise polyploid hybrid complex, with most of its related species and subspecies occurring at the tetraploid and hexaploid levels. Artemisia estesii is recognized by its underground and emergent, over-wintering, basal shoots, which are homologs of the elongate, underground rhizomes found in other herbaceous Artemisia species. Its regularly lobed leaf blades, with usually a broad rachis, differ from subspecies of A. ludoviciana in eastern Oregon. It occupies a narrow zone of streambank vegetation along the central Deschutes River and extends eastward along the lower Crooked River. Disjunct populations are known from Wheeler County and Lake County.

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