A new genus of Lysitermini (Hymenoptera: Braconidae: Lysiterminae) from Madagascar and its taxonomic placement based on 28S rDNA sequence data

Zootaxa ◽  
2007 ◽  
Vol 1461 (1) ◽  
pp. 25-37 ◽  
Author(s):  
SERGEY A. BELOKOBYLSKIJ ◽  
ALEJANDRO ZALDIVAR-RIVERÓN ◽  
VIRGINIA LEÓN-REGAGNON ◽  
DONALD L.J. QUICKE

A new genus and species of Lysitermini, Atritermus pedestris Belokobylskij, Zaldivar-Riverón & Quicke, are described from Madagascar. The taxonomic placement of the new genus within Lysiterminae is discussed based on a phylogenetic analysis using 28S rDNA gene sequences. A key to world genera of Lysitermini is provided.Un nuevo género y especie de Lysitermini, Atritermus pedestris Belokobylskij, Zaldivar-Riverón & Quicke, son descritos para Madagascar. La ubicación taxonómica del nuevo género dentro de Lysiterminae es discutida con base en un análisis filogenético usando secuencias del gen ribosomal 28S. Se presenta una clave para los géneros de Lysitermini del mundo.

MycoKeys ◽  
2018 ◽  
Vol 41 ◽  
pp. 51-63 ◽  
Author(s):  
M. Ebinghaus ◽  
D. Begerow

Two new rust species, Raveneliapiepenbringiae and R.hernandezii (Pucciniales) on Senegalia spp. (Fabaceae) are described from the Neotropics (Panama, Costa Rica). A key to the species on neotropical Senegalia spp. is provided. Molecular phylogenetic analyses based on 28S rDNA sequence data suggest that the representatives of Senegalia rusts distributed in the neotropics evolved independently from species known from South Africa. This is further supported by the teliospore morphology, which is characterised by uniseriate cysts in the neotropical Senegalia rusts and contrasting multiseriate cysts in the paleotropic Ravenelia species that infect this host genus.


2004 ◽  
Vol 108 (10) ◽  
pp. 1119-1142 ◽  
Author(s):  
Dania García ◽  
Alberto M. Stchigel ◽  
José Cano ◽  
Josep Guarro ◽  
David L. Hawksworth

2000 ◽  
Vol 104 (2) ◽  
pp. 134-150 ◽  
Author(s):  
Felice Driver ◽  
Richard J. Milner ◽  
John W.H. Trueman

Phytotaxa ◽  
2013 ◽  
Vol 105 (1) ◽  
pp. 11 ◽  
Author(s):  
HIRAN A. ARIYAWANSA ◽  
SAJEEWA S.N. MAHARACHCHIKUMBURA ◽  
SAMANTHA C.KARUNARATHNE ◽  
EKACHAI CHUKEATIROTE ◽  
ALI H. BAHKALI ◽  
...  

Deniquelata barringtoniae gen. et sp. nov. (Montagnulaceae) forms numerous ascomata on distinct zonate leaf spots of Barringtonia asiatica (Lecythidaceae). We isolated this taxon and sequenced the 18S and 28S nrDNA. The result of phylogenetic analysis based on 18S and 28S nrDNA sequence data indicate that the genus belongs in the family Montagnulaceae, Dothideomycetes, Ascomycota. The ascomata are immersed, dark brown to black, with bitunicate asci and brown, muriform ascospores. Deniquelata is distinguished from the other genera in Montagnulaceae based on its short, broad, furcate and pedicellate asci, verruculose ascospores with short narrow pseudoparaphyses with parasitic naturee and this is also supported by molecular data. A new genus and species is therefore introduced to accommodate this taxon. We used isolates of this species to show via pathogenicity testing that the taxon is able to cause leaf spots when leaves are pin pricked.


Plant Disease ◽  
2009 ◽  
Vol 93 (4) ◽  
pp. 430-430 ◽  
Author(s):  
H. Y. Yun ◽  
A. M. Minnis ◽  
A. Y. Rossman

Plants in the genus Malus Mill. are grown in temperate regions for fruit crops such as apple and ornamental landscape plants such as flowering crab apple. Gymnosporangium yamadae Miyabe ex G. Yamada, cause of Japanese apple rust, is known to attack economically important species of Malus in Asia. In August 2004 and July 2008, the aecial stage of a rust fungus was observed in Wilmington, DE and nearby in Media, PA on leaves of toringo crab apple (Malus toringo (Siebold) Siebold ex de Vriese), a cultivated plant native to Asia. On the basis of morphological and molecular characteristics, the fungus was identified as G. yamadae. This pathogen has not been previously reported in North America. The identification was confirmed by morphological comparisons with specimens of G. yamadae from Asia and descriptions (1–3) as well as using the D1/D2 domain of 28S rDNA sequence data G. clavariiforme (GenBank Accession No. AR426211), G. clavipes (GenBank Accession No. DQ354545), G. cornutum (GenBank Accession No. AF426210), G. juniperi-virginianae (GenBank Accession Nos. AF522167, AY629316, and DQ354547), G. libocedri (GenBank Accession No. AF522168), G. sabinae (GenBank Accession Nos. AF426209 and AY512845) and G. yamadae (GenBank Accession Nos. FJ559373 and FJ559375). The specimens from North America included aecia of G. yamadae that are foliicolous, hypophyllous, roestelioid, and 4 to 7 mm high. The peridia are yellow-brown to brown and cornute to tubular with a closed brown tip at the apex and lacerate sides; the peridial remains often form a reticulate pattern. The peridial cells are long-narrow rhomboid, 83 to 120 μm long with smooth outer walls and verrucose to echinulate inner and side walls. The aeciospores are globose, 18 to 28 × 19 to 29 μm, with a slightly coronate surface and brown-yellow walls 2 to 3 μm thick. The telia known on Juniperus spp. were not observed. The specimens were deposited in the U.S. National Fungus Collections (BPI 878846, BPI 878847, BPI 878848, and BPI 878849). The 28S rDNA sequence of G. yamadae from BPI 878849 was deposited in GenBank as Accession No. FJ455091. Aecia of G. juniperi-virginianae, cause of cedar apple rust, differ from G. yamadae in having recurved peridial walls at maturity. References: (1) F. D. Kern. A Revised Taxonomic Account of Gymnosporangium. Pennsylvania State University Press, University Park, PA, 1973. (2) S. K. Lee and M. Kakishima. Mycoscience 40:109, 1999. (3) S. K. Lee and M. Kakishima. Mycoscience 40:121. 1999.


Nematology ◽  
2003 ◽  
Vol 5 (3) ◽  
pp. 405-420 ◽  
Author(s):  
Rita Van Driessche ◽  
Irma Tandingan De Ley ◽  
Paul De Ley ◽  
Hendrik Segers ◽  
Wim Bert

AbstractMeasurements, line drawings and scanning electromicrographs are provided of Baujardia mirabilis gen. n., sp. n., isolated from pitcher fluid of Nepenthes mirabilis from Thailand. The new genus differs from all known nematodes in having two opposing and offset spermatheca-like pouches at the junction of oviduct and uterus. It also differs from most known Rhabditida in having four cephalic setae instead of papillae. Phylogenetic analysis of small subunit rDNA sequence data robustly places the new genus within Panagrolaimidae as a sister taxon to Panagrellus. These unusual nematodes resemble Panagrellus in body size (1.8-2.7 mm in females, 1.3-1.9 mm in males) and in the monodelphic, prodelphic female reproductive system with thickened vaginal walls and prominent postvulval sac. However, they differ from Panagrellus in the characters mentioned above, in their comparatively longer stegostom and in the shape of the male spicules. Because of its aberrant characters, inclusion of this new genus in Panagrolaimidae requires changes to the family diagnosis.


Phytotaxa ◽  
2015 ◽  
Vol 227 (1) ◽  
pp. 55 ◽  
Author(s):  
Chayanard Phukhamsakda ◽  
Hiran A. Ariyawansa ◽  
Rungtiwa Phookamsak ◽  
Putarak Chomnunti ◽  
Timur S. Bulgakov ◽  
...  

Muriphaeosphaeria galatellae was collected from Galatella villosa in Russia and is introduced as a novel monotypic genus and species in the family Phaeosphaeriaceae (Pleosporales). Muriphaeosphaeria is distinct from other genera of the family Phaeosphaeriaceae by its unique suite of characters such as, superficial ascomata with an ascomatal wall comprising thin-walled brown cells, cellular pseudoparaphyses, muriform ascospores; and conidiomata with a thick hyaline inner wall layer producing cylindrical to subclavate, 1−3-transversely septate, brown conidia. The asexual morph of M. galatellae developed in cultures when grown on sterilized pine needles and bamboo pieces. A phylogenetic analysis based on combined LSU, SSU and ITS sequence data showed that M. galatellae forms a distinct lineage in Phaeosphaeriaceae. The new genus and species are introduced and compared with other taxa in the family.


2017 ◽  
Vol 92 (1) ◽  
pp. 100-108 ◽  
Author(s):  
T.H. Cribb ◽  
N.Q.-X. Wee ◽  
R.A. Bray ◽  
S.C. Cutmore

AbstractWe describe Monorchis lewisi n. sp. (Monorchiidae) from the surf bream, Acanthopagrus australis (Günther, 1859) (Sparidae), in Moreton Bay, eastern Australia. The new species differs from most existing species of Monorchis Monticelli, 1893 in its possession of an elongate I-shaped excretory vesicle, and from other congeners in the relative configuration of the gut and suckers. Ovipusillus mayu Dove & Cribb, 1998 is re-reported from Gnathanodon speciosus (Forsskål, 1775) (Carangidae) from Moreton Bay. We report new second internal transcribed spacer (ITS2) and 28S rDNA sequence data for both species. Bayesian inference and Maximum Likelihood analyses of the 28S rDNA dataset suggest that existing subfamily and genus concepts within the family require substantial revision.


Phytotaxa ◽  
2019 ◽  
Vol 402 (1) ◽  
pp. 1 ◽  
Author(s):  
SUJINDA SOMMAI ◽  
SALILAPORN NUANKAEW ◽  
PHONGSWAT KHAMSUNTORN ◽  
SATINEE SUETRONG ◽  
UMPAWA PINRUAN

Tamhinispora saraburiensis sp. nov. was collected on decaying culms of bamboo in Saraburi Province, Thailand. Tamhinispora saraburiensis is characterized as dark brown to black, obpyriform, and dictyoseptate and has conidia with long appendages arising from the conidial tip. Phylogenetic analyses of the combined ITS and LSU rDNA sequence data demonstrated that this species formed distinctly from other species and that it belongs in the family Tubeufiaceae. Tamhinispora saraburiensis is therefore introduced here with a description, morphological illustrations and molecular data. A key to the species of Tamhinispora is provided.


Phytotaxa ◽  
2020 ◽  
Vol 450 (1) ◽  
pp. 73-84
Author(s):  
ANKIT SINGH ◽  
MOHAN CHANDRA NAUTIYAL ◽  
AJAY KUMAR GAUTAM ◽  
PARAS NATH SINGH ◽  
SANJAY KUMAR SINGH

Clinoconidium lauracearum sp. nov. (Cryptobasidiaceae) is described and illustrated from infected fruits of Cinnamomum tamala (Lauraceae) collected from Rudraprayag district of Uttarakhand State, India. The species shows characteristics of Clinoconidium and Drepanoconis, but differs from other species in these genera by the combination of shapes, sizes, and septation of basidiospores. Molecular data also indicate that the present taxon is distinct from the other known species of Clinoconidium and Drepanoconis. Analyses of combined ITS and LSU rDNA and separate LSU rDNA sequence data reveal a close association of the present taxon to the genus Clinoconidium, but also that it is distinct from the other known species in the genus.


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