scholarly journals Bionomy of spruce bud scale, Physokermes piceae (schrank) (Hemiptera: Coccidae) in the Belgrade area, Serbia

2012 ◽  
Vol 64 (1) ◽  
pp. 337-343 ◽  
Author(s):  
Draga Graora ◽  
Radoslava Spasic ◽  
L. Mihajlovic

Spruce bud scale, Physokermes piceae, develops on the genus Picea. Large colonies of this species are constantly present on Picea abies in green areas in the Belgrade territory, causing the drying of needles, branches and whole plants. Therefore, Ph. piceae is a significant spruce pest. Spruce scales attract many entomophagous insects able to reduce pest population. Parasitoid wasps Coccophagus lycimnia (Walk) (Aphelinidae) and Microterys lunatus (Dalm.) (Encyrtidae) were reared. Predators Exochomus quadripustulatus L., Scymnus abietis Paykull (Coccinellidae) and Anthribus nebulosus Forster (Anthribidae) were determined. Both species of ladybird were confirmed as predators of Ph. piceae for the first time in Serbia, while S. abietis is a new species for the fauna of Serbia. The most effective natural enemy of Ph. piceae was A. nebulosus, reducing populations by 68-80%.

1990 ◽  
Vol 81 (2) ◽  
pp. 127-159 ◽  
Author(s):  
Richard M. Bateman ◽  
Gar W. Rothwell

ABSTRACTRe-investigation of species-rich late Tournaisian floras at Oxroad Bay reveals eight plant-bearing exposures that represent four distinct stratigraphic levels. The allochthonous megafossil assemblages vary in degrees of disarticulation, modes of preservation and taxonomic composition. Within-site stratigraphic distributions are presented for 43 anatomically-preserved organ-species; of these, 12 are new to science, 18 have not previously been recorded at the locality, 21 are illustrated from the locality for the first time and 19 are currently considered endemic. Another six have been recorded in error from unprovenanced water-worn blocks. Nineteen adpressed organ-species are also described. Methods and concepts of whole-plant reconstruction are reviewed. At least 11 whole-plant species occur at Oxroad Bay. The lycopsids comprise an enigmatic plant with anAsteroxylon-like stele and two morphologically- and ecologically-distinct species ofOxroadia. A new species ofProtocalamitesdemonstrates the earliest evidence of heterospory and tuberoid stem-bases in the sphenopsid clade.CladoxylonandStauropterisrepresent the pteropsids. At least five lyginopterid pteridosperm species are present. They include both trees (Eristophyton, Bilignea) and shrubs/pseudoherbs (e.g.Tetrastichiaand theTriradioxylon–Calathopteris–Oxroadopteris–‘Tristichia’ plexus), suggesting a range of life strategies. Their diversity has complicated attempts to reconstruct whole-plants, though attachment is demonstrated between several ovules and cupules, and several ovules and pollen-organs are correlated using shared microspores. Elements of particular evolutionary significance include the ‘megacupule’Calathospermumand a structurally similar pollen-organ aggregate, a bisexualPullarithecacupule, and a complete ontogenetic sequence ofHydraspermaovules. Comparable Dinantian floras are reviewed.


2020 ◽  
Vol 71 (1) ◽  
pp. 45-57
Author(s):  
Mark R. Shaw

The small Microgastrinae genus Venanides is recorded from Europe (Netherlands, Germany and Czech Republic) for the first time, where one species, Venanides carcinae sp. nov., described here, proves to be a regular solitary parasitoid of Carcina quercana. Outline notes on its biology, phenology and abundance are given.


2020 ◽  
Vol 29 (2) ◽  
pp. 278-283
Author(s):  
S.G. Ermilov

The oribatid mite subgenus Scheloribates (Topobates) Grandjean, 1958, is recorded from the Neotropical region for the first time. A new species of this subgenus is described from the leaf litter collected in Cayo Agua Island, Panama. Scheloribates (Topobates) panamaensis sp. nov. differs from its related species by the very large body size and presence of a strong ventrodistal process on the leg femora II–IV.


2016 ◽  
Vol 25 (2) ◽  
pp. 318-332
Author(s):  
D.M. Astakhov

The Palaearctic species of the genus Trichardis Hermann, 1906 are reviewed. A new species, T. lehri sp. nov., is described. A new synonymy is established: T. leucocoma (van der Wulp, 1899) = T. afanasievae Lehr, 1964, syn. nov. The male of T. mongolica V. Richter, 1972 is described for the first time. External features and the male genitalia of T. lehri sp. nov., T. leucocoma (van der Wulp, 1899) and T. mongolica V. Richter, 1972 are illustrated with photographs.


2011 ◽  
Vol 20 (2) ◽  
pp. 350-355
Author(s):  
A.V. Barkalov ◽  
X.-Y. Cheng

A review of species of the genus Blera Billberg, 1820 known from China is given. A new species, Blera longiseta sp. nov., is described. Three species, B. japonica (Shiraki, 1930), B. nitens (Stackelberg, 1923) and B. violovitshi Mutin, 1991, are recorded for the first time from China. An illustrated key to species is provided.


2011 ◽  
Vol 20 (1) ◽  
pp. 85-95 ◽  
Author(s):  
S.A. Belokobylskij ◽  
T.S. Kostromina

Two braconid genera from the subfamily Alysiinae, Lodbrokia Hedqvist, 1962 and Asyntactus Marshall, 1898, are recorded in the fauna of Russia and in the Asian continent for the first time. A new species Lodbrokia uralica sp. nov. is described from the Urals, and a key to species of this genus is provided. Redescriptions of the female and male of Asyntactus rhogaleus Marshall, 1898 with information about the level of variability of its morphological characters are given. Asyntactus sigalphoides Marshall, 1898 is synonymised with A. rhogaleus Marshall, 1898 (syn. nov.).


2009 ◽  
Vol 18 (2) ◽  
pp. 285-290
Author(s):  
I.Ya. Grichanov ◽  
M.B. Mostovski

The genus Systenus Loew, 1857 is recorded from Afrotropical Region for the first time. A description of a new species, Systenus africanus Grichanov sp. nov., and notes on females of another probably new Afrotropical species are provided. The genus is considered now as cosmopolitan. A key to species and species groups of the Systenus worldwide is compiled.


Zootaxa ◽  
2021 ◽  
Vol 4915 (4) ◽  
pp. 567-574
Author(s):  
ULZIIJARGAL BAYARSAIKHAN ◽  
TAK-GI LEE ◽  
ANTON V. VOLYNKIN ◽  
URAL YUNUSBAEV ◽  
HYUNG WOOK KWON ◽  
...  

The genus Agrisius Walker (1855) is reported for the first time in Cambodia, for the new species Agrisius nigripunctata sp. n. Additionally, Agrisius fuliginosus is reported for the first time in Laos, Myanmar, China, Thailand and Vietnam. Illustrations of the adult and genitalia of Agrisius nigripunctata sp. n. and A. fuliginosus Moore are presented. 


Zootaxa ◽  
2021 ◽  
Vol 4966 (3) ◽  
pp. 385-391
Author(s):  
JAE-CHEON SOHN ◽  
ALEXANDER L. LVOVSKY

The subfamily Lypusinae of Korea is reviewed with three species including a new species, Agnoea danguni Sohn, sp. nov. belonging to nominotypical subgenus, and two species of Agnoea belonging to the subgenus Tubuliferodes Toll, 1956: A. (T.) digitiella Kim, 2020 and A. (T.) josephinae (Toll, 1956). The female characters of A. digitiella are described for the first time. Additional collecting records are provided for A. digitiella and A. josephinae. Photographs of the habitus and the genitalia are provided for all three species of Agnoea known so far from Korea. 


Zootaxa ◽  
2017 ◽  
Vol 4300 (2) ◽  
pp. 269 ◽  
Author(s):  
WELLINGTON D. FERREIRA ◽  
LETÍCIA A. DE OLIVEIRA ◽  
TIAGO G. INEZ ◽  
MARCEL G. HERMES

A new Neotropical species of Pirhosigma Giordani Soika, 1978 is described, Pirhosigma transfluvium Ferreira & Oliveira. The male of Pirhosigma limpidum Giordani Soika, 1978 is reported for the first time. An illustrated identification key is presented for all currently recognized species of Pirhosigma. 


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