scholarly journals A review of the species of Mesopolobus (Chalcidoidea: Pteromalidae) associated with Ceutorhynchus (Coleoptera: Curculionidae) host-species of European origin

2007 ◽  
Vol 97 (4) ◽  
pp. 387-397 ◽  
Author(s):  
H. Baur ◽  
F.J. Muller ◽  
G.A.P. Gibson ◽  
P.G. Mason ◽  
U. Kuhlmann
Keyword(s):  
Biological Control ◽  
North America ◽  
Classical Biological Control ◽  
Junior Synonym ◽  
European Origin ◽  
Ceutorhynchus Obstrictus ◽  
Hoary Cress ◽  
Cabbage Seedpod Weevil ◽  
Lepidium Draba ◽  
First Time

AbstractFour species of Mesopolobus Westwood were reared as parasitoids of Ceutorhynchinae hosts in Europe during surveys in 2000–2004. An illustrated key is given to differentiate the four species, M. gemellus Baur & Muller sp. n., M. incultus (Walker), M. morys (Walker) and M. trasullus (Walker), plus M. moryoides Gibson, a parasitoid of the cabbage seedpod weevil, Ceutorhynchus obstrictus (Marsham), in North America. Pteromalus clavicornis Walker is recognized as a junior synonym of M. incultussyn. n., and Pteromalus berecynthos Walker (also a junior synonym of M. incultus) is considered a correct original spelling. For Disema pallipes Förster (a junior synonym of Mesopolobus morys), a lectotype is designated. Mesopolobus morys is for the first time accurately associated with the seed weevil Ceutorhynchus turbatus (Schultze), a potential agent for classical biological control, of hoary cress, Lepidium draba L. (Brassicaceae), in North America. Mesopolobus gemellus is associated with another seed weevil, Ceutorhynchus typhae (=C. floralis) (Herbst), in pods of shepherd's purse, Capsella bursa-pastoris (L.) Medik. (Brassicaceae). Implications of the host–parasitoid associations are discussed relative to the introduction of species to North America for classical biological control of the cabbage seedpod weevil.

The species of Chalcidoidea (Hymenoptera) introduced to North America for biological control of the cabbage seedpod weevil, and the first recovery of Stenomalina gracilis (Chalcidoidea: Pteromalidae)

2006 ◽  
Vol 138 (3) ◽  
pp. 285-291 ◽  
Author(s):  
Gary A.P. Gibson ◽  
David R. Gillespie ◽  
Lloyd Dosdall
Keyword(s):  
Biological Control ◽  
British Columbia ◽  
North America ◽  
Classical Biological Control ◽  
Ceutorhynchus Obstrictus ◽  
Pteromalus Puparum ◽  
Cabbage Seedpod Weevil

AbstractThe species of Pteromalidae (Chalcidoidea) introduced to British Columbia, Canada, from Europe in 1949 as Trichomalus fasciatus (Thomson, 1878), Xenocrepis pura Mayr, 1904, and Habrocytus sp. for classical biological control of Ceutorhynchus obstrictus (Marsham, 1802) (Coleoptera: Curculionidae) are shown to be misidentifications of Trichomalus perfectus (Walker, 1835), Mesopolobus morys (Walker, 1848), and Stenomalina gracilis (Walker, 1834), respectively. Species reared subsequently from seedpods of Brassica spp. (Brassicaceae) in British Columbia and reported in the literature under the first three names are shown to be misidentifications of, respectively, Trichomalus lucidus (Walker, 1835), Mesopolobus moryoides Gibson, 2005, and one or both of Pteromalus puparum (L., 1758) and T. lucidus. There is no evidence that either T. perfectus or M. morys established in North America, but S. gracilis is newly recorded from southern British Columbia based on specimens reared from Brassicaceae seedpods in 2004 and 2005.

scholarly journals Larval phenologies and parasitoids of two seed-feeding weevils associated with hoary cress and shepherd's purse (Brassicaceae) in Europe

2011 ◽  
Vol 143 (4) ◽  
pp. 399-410 ◽  
Author(s):  
Franck J. Muller ◽  
Lloyd M. Dosdall ◽  
Peter G. Mason ◽  
Ulrich Kuhlmann
Keyword(s):  
Biological Control ◽  
Brassica Napus ◽  
North America ◽  
Host Specificity ◽  
Brassica Rapa ◽  
Ceutorhynchus Obstrictus ◽  
Hoary Cress ◽  
Cabbage Seedpod Weevil ◽  
Alien Pest ◽  
Host Associations

AbstractIn Europe, Ceutorhynchus turbatus Schultze and Ceutorhynchus typhae (Herbst) (Coleoptera: Curculionidae) feed on seeds from hoary cress and shepherd's purse (Cardaria draba (L.) Desv. and Capsella bursa-pastoris (L.) Medik.); both plants are invasive in North America. In North America, C. turbatus is a candidate for biological control of hoary cress, C. typhae is adventive, and both are sympatric with cabbage seedpod weevil (Ceutorhynchus obstrictus (Marsham)), an invasive alien pest of canola (Brassica napus L. and Brassica rapa L., Brassicaceae). We investigated host associations among C. turbatus, C. typhae, and their parasitoids in Europe. Of particular interest was host specificity of Trichomalus perfectus (Walker) and Mesopolobus morys (Walker) (Hymenoptera: Pteromalidae), candidates for biological control of C. obstrictus in North America. We found no evidence that T. perfectus attacks C. turbatus or C. typhae; however, M. morys was the most common parasitoid associated with C. turbatus.

The parasitoid communities associated with an invasive canola pest, Ceutorhynchus obstrictus (Coleoptera: Curculionidae), in Ontario and Quebec, Canada

2011 ◽  
Vol 143 (5) ◽  
pp. 524-537 ◽  
Author(s):  
P.G. Mason ◽  
J.H. Miall ◽  
P. Bouchard ◽  
D.R. Gillespie ◽  
A.B. Broadbent ◽  
...  
Keyword(s):  
North America ◽  
Species Composition ◽  
Abundant Species ◽  
Invasive Pest ◽  
Ceutorhynchus Obstrictus ◽  
Cabbage Seedpod Weevil ◽  
Specific Species ◽  
First Time

AbstractSurveys were conducted to determine the parasitoid communities associated with the cabbage seedpod weevil, Ceutorhynchus obstrictus (Marsham), an important invasive pest of canola in Ontario and Quebec, Canada. More than 18 species of Chalcidoidea (Hymenoptera) were associated with this pest through mass rearings from canola siliques. In southwestern Ontario, the most abundant species were a species of Chlorocytus Graham (23.6%–48.6%), Lyrcus perdubius (Girault) (0%–53%), L. maculatus (Gahan) (2.8%–14.7%), and species of Pteromalus Swederus (0.6%–23.1%) (Pteromalidae). In contrast, the most abundant species in Quebec were Trichomalus lucidus (Walker) (Pteromalidae) (33.3%–56.4%), unidentified Eulophidae (2.1%–39.1%), Mesopolobus gemellus Baur and Muller (Pteromalidae) (1.3%–21.4%), and Necremnus tidius (Walker) (Eulophidae) (11.5%–19.3%). In the Ottawa, Ontario, area, parasitoids were first recovered in 2008, and Trichomalus perfectus (Walker) (Pteromalidae), M. gemellus, and species of Pteromalus were most prevalent. Mesopolobus gemellus and T. perfectus are reported in North America for the first time. Although existing communities appear to provide substantial parasitism (e.g., 6.3%–26.3% in 2006), species composition varies among years and differs from that in other regions in North America. Thus, parasitism levels and parasitoid communities of the cabbage seedpod weevil should be monitored to assess whether these will increase or there is a need to introduce more host-specific species from Europe that could provide greater mortality.

scholarly journals Review of the species of Trichomalus (Chalcidoidea: Pteromalidae) associated with Ceutorhynchus (Coleoptera: Curculionidae) host species of European origin

2007 ◽  
Vol 139 (5) ◽  
pp. 643-657 ◽  
Author(s):  
Franck J. Muller ◽  
Hannes Baur ◽  
Gary A.P. Gibson ◽  
Peter G. Mason ◽  
Ulrich Kuhlmann
Keyword(s):  
Biological Control ◽  
North America ◽  
Host Species ◽  
Classical Biological Control ◽  
Valid Species ◽  
European Origin

AbstractSix species of Trichomalus Thomson were reared as parasitoids of Ceutorhynchinae hosts in Europe during surveys in 2000–2004. Trichomalus rusticus (Walker) is treated as a valid species, resurrected from synonymy under T. lucidus (Walker), and T. lyttus (Walker) is transferred from synonymy under T. lucidus and newly placed in synonymy with T. rusticus. Illustrated keys to females and males are given to differentiate the six species (T. bracteatus (Walker), T. campestris (Walker), T. gynetelus (Walker), T. lucidus, T. perfectus (Walker), and T. rusticus) except for males of T. bracteatus and T. gynetelus. A lectotype female is designated for T. rusticus. Trichomalus campestris is newly recorded as a parasitoid of Ceutorhynchus cardariae Korotyaev. Implications of the host-parasitoid associations recovered by the surveys are discussed relative to introduction of species to North America for classical biological control.

Yellow Brazilian Pepper-tree Leaf Galler (suggested common name) Calophya latiforceps Burckhardt (Insecta: Hemiptera: Calophyidae: Calophyinae)

EDIS ◽  
2017 ◽  
Vol 2017 (6) ◽  
Author(s):  
James P. Cuda ◽  
Patricia Prade ◽  
Carey R. Minteer-Killian
Keyword(s):  
Biological Control ◽  
North America ◽  
Natural Enemies ◽  
Host Plants ◽  
Classical Biological Control ◽  
Biological Control Agents ◽  
Pepper Tree ◽  
Brazilian Pepper ◽  
Close Relatives ◽  
Tree Leaf

In the late 1970s, Brazilian peppertree, Schinus terebinthifolia Raddi (Sapindales: Anacardiaceae), was targeted for classical biological control in Florida because its invasive properties (see Host Plants) are consistent with escape from natural enemies (Williams 1954), and there are no native Schinus spp. in North America. The lack of native close relatives should minimize the risk of damage to non-target plants from introduced biological control agents (Pemberton 2000). [...]

New Black Fungus Gnats (Diptera, Sciaridae) of North America. Part V. Genera Pseudolycoriella Menzel & Mohrig and Phytosciara Frey

Zootaxa ◽  
2019 ◽  
Vol 4543 (2) ◽  
pp. 261
Author(s):  
WERNER MOHRIG ◽  
ELLEN KAUSCHKE
Keyword(s):  
North America ◽  
Junior Synonym ◽  
Distribution Data ◽  
Fungus Gnats ◽  
First Time ◽  
Nearctic Region

In the Nearctic region the genus Pseudolycoriella currently includes 13 species. The following seven species are new to science: Psl. basisetosa sp. n., Psl. brevialata sp. n., Psl. chlorothoracica sp. n., Psl. flavipila sp. n., Psl. longisetosa sp. n., Psl. nocturna sp. n. and Psl. subjucunda sp. n. All species are keyed, figured and distribution data is given. Ostroverkhovana Komarova, 2002 is regarded as a junior synonym of Pseudolycoriella Menzel & Mohrig, 1998. Phytosciara (Prosc.) plusiochaeta (Hippa & Vilkamaa, 1991) is reported from North America for the first time. 

The Liriomyza (Diptera: Schizophora: Agromyzidae) of Canada & Alaska

Zootaxa ◽  
2017 ◽  
Vol 4234 (1) ◽  
pp. 1 ◽  
Author(s):  
OWEN LONSDALE
Keyword(s):  
United States ◽  
North America ◽  
The United States ◽  
Junior Synonym ◽  
New Combinations ◽  
Palaearctic Species ◽  
New Host ◽  
First Time

The Liriomyza (Diptera: Agromyzidae) of Canada and Alaska is revised, with species keyed and illustrated, and new host and geographic records provided. Eighty one species are recognized, including 24 new to science: L. agrios, L. albispina, L. anatolis, L. aphila, L. apilaca, L. aquapolis, L. arenarium, L. atrassimilis, L. bicolumbis, L. charada, L. cracentis, L. elevaster, L. emaciata, L. fumeola, L. gibsoni, L. griffithsi, L. hilairensis, L. limopsis, L. mesocanadensis, L. pilicornis, L. pistilla, L. rigaudensis, L. taraxanox, L. taraxanuda, L. tryssos. Ten species known from the United States are recorded as new to Canada: L. artemisiae Spencer, L. assimilis (Malloch), L. baccharidis Spencer, L. helianthi Spencer, L. merga Lonsdale, L. minor Spencer, L. sabaziae Spencer, L. temperata Spencer, L. violivora (Spencer) and L. virgo (Zetterstedt). Palaearctic species new to North America include L. wachtli Hendel and L. flaveola (Fallén); while the latter species has been recorded in North America before, all previous records represent misidentifications. Hosts are recorded for the first time for L. balcanicoides Sehgal, L. minor Spencer, L. orilliensis Spencer and L. socialis Spencer. Galiomyza Spencer syn. nov. is included as a junior synonym of Liriomyza Mik, resulting in six new combinations. 

scholarly journals New records of Leptopilina, Ganaspis, and Asobara species associated with Drosophila suzukii in North America, including detections of L. japonica and G. brasiliensis

2020 ◽  
Vol 78 ◽  
pp. 1-17
Author(s):  
Paul K. Abram ◽  
Audrey E. McPherson ◽  
Robert Kula ◽  
Tracy Hueppelsheuser ◽  
Jason Thiessen ◽  
...  
Keyword(s):  
British Columbia ◽  
North America ◽  
New Records ◽  
Dna Barcode ◽  
Classical Biological Control ◽  
Distribution Data ◽  
Drosophila Suzukii ◽  
Northwestern North America ◽  
First Time ◽  
Coastal British Columbia

We report the presence of two Asian species of larval parasitoids of spotted wing Drosophila, Drosophila suzukii (Matsumura) (Diptera: Drosophilidae), in northwestern North America. Leptopilina japonica Novkovic & Kimura and Ganaspis brasiliensis (Ihering) (Hymenoptera: Figitidae) were found foraging near and emerging from fruits infested by D. suzukii at several locations across coastal British Columbia, Canada in the summer and fall of 2019. While G. brasiliensis was found in British Columbia for the first time in 2019, re-inspection of previously collected specimens suggests that L. japonica has been present since at least 2016. Additionally, we found a species of Asobara associated with D. suzukii in British Columbia that is possibly Asobara rufescens (Förster) (known only from the Palearctic Region) based on COI DNA barcode data. These findings add to the list of cases documenting adventive establishment of candidate classical biological control agents outside of their native ranges. The findings also illustrate the need for revisiting species concepts within Asobara, as well as host and geographic distribution data due to cryptic and/or misidentified species.

Microctonus melanopus (Ruthe) (Hymenoptera: Braconidae), a Parasitoid of Adult Cabbage Seedpod Weevil (Coleoptera: Curculionidae): Distribution in Southern Alberta and Female Diagnosis

2004 ◽  
Vol 39 (3) ◽  
pp. 350-361 ◽  
Author(s):  
Andrew S. Fox ◽  
Scott R. Shaw ◽  
Lloyd M. Dosdall ◽  
Byron Lee
Keyword(s):  
British Columbia ◽  
North America ◽  
Oilseed Crop ◽  
Brassica Napus L ◽  
Canadian Prairies ◽  
Ceutorhynchus Obstrictus ◽  
Southern Alberta ◽  
Cabbage Seedpod Weevil ◽  
Substantial Control ◽  
North America North

Microctonus melanopus (Ruthe) were reared and dissected from adult cabbage seedpod weevil, Ceutorhynchus obstrictus (Marsham), collected in southern Alberta in 2000 and 2001, and M. melanopus females were collected near Creston, British Columbia in 2001. These collections represent the first records for this European species in Canada. Previously published records of M. melanopus in North America are from the northwestern United States. A first diagnosis for adult female M. melanopus is provided that places M. melanopus in Loan's (1969) key for Microctonus species of North America, north of Mexico. Scanning electron photomicrographs of female morphology are provided to illustrate important diagnostic characters: the mesonotal sculpture with a distinct median longitudinal carina posteriorly, and the sculpture of metasomal tergite 1 with costae distinctly converging posteriorly. It is probable that M. melanopus has long been established in the southern interior of British Columbia because its host, C. obstrictus, has occurred there for many years. The occurrence of M. melanopus in southern Alberta is likely more recent, as its host only recently dispersed to that region. Rates of parasitism of C. obstrictus by M. melanopus, with one exception, were low in southern Alberta (<10%), and only one parasitized weevil was found on spring-seeded Brassica napus L., the primary brassicaceous oilseed crop associated with the weevil on the Canadian prairies. We hypothesize that M. melanopus will not provide substantial control of C. obstrictus in the mixed grassland ecoregion of its new range.

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