scholarly journals Paramonostomum bubaki n. sp. (Digenea: Notocotylidae) from the Black Coot, Fulica atra (Gruiformes: Rallidae), in South Central Pakistan

ISRN Zoology ◽  
2013 ◽  
Vol 2013 ◽  
pp. 1-5
Author(s):  
Nadir Ali Birmani ◽  
Ali Murtaza Dharejo ◽  
Shagufta Naz ◽  
Muhammad Munif Khan ◽  
Abdul Manan Shaikh
Keyword(s):  
Genital Pore ◽  
Posterior Extremity ◽  
Pore Shape ◽  
Undescribed Species ◽  
Excretory Vesicle ◽  
Large Size ◽  
South Central ◽  
Sindh Province ◽  
Fulica Atra ◽  
Single Host

During a helminthological survey of black coot, Fulica atra (Gruiformes: Rallidae), in Sindh Province of Pakistan, eight specimens of undescribed species of trematode belonging to genus Paramonostomum Lühe, 1909 were recovered from large intestine of the single host bird. Paramonostomum bubaki n. sp. differs from its congeners except P. macrovesiculum Dharejo et al., 2006 by having less attenuated anterior end, a pharynx, a bifurcal genital pore, a longer posttesticular space, a Y-shaped excretory vesicle, number of uterine loops (16), and large size of filamentous eggs. P. bubaki n. sp. resembles P. macrovesiculum Dharejo et al., 2006 collected from Fulica atra from Pakistan by having a pharynx but differs in larger body, smaller esophagus, a bifurcal genital pore, shape of cirrus sac, seminal vesicle and gonads, ceca reaching posterior extremity, and a longer posttesticular space.

A very deep Provanna (Gastropoda: Abyssochrysoidea) discovered from the Shinkai Seep Field, Southern Mariana Forearc

2016 ◽  
Vol 98 (3) ◽  
pp. 439-447 ◽  
Author(s):  
Chong Chen ◽  
Hiromi Kayama Watanabe ◽  
Yasuhiko Ohara
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Shell Height ◽  
Coi Gene ◽  
Undescribed Species ◽  
Bathymetric Range ◽  
Large Size ◽  
C Subunit ◽  
Mariana Forearc ◽  
Chemosynthetic Ecosystems

The ‘Shinkai Seep Field’ is a serpentinite-hosted chemosynthetic ecosystem in the Southern Mariana Forearc. In June 2015 the site was revisited and a number of rissoiform gastropods were collected. Taxonomic investigations revealed that these specimens represent a hitherto undescribed species of Provanna (Gastropoda: Abyssochrysoidea), described herein as Provanna cingulata n. sp. This new species is characterized by numerous spiral keels, lack of significant axial sculpture, rounded and inflated whorls, and large size for the genus. With the shell height exceeding 16.5 mm (may reach 20 mm), it is the largest Provanna species known thus far. Phylogenetic analysis using 411 bp of the cytochrome oxidase c subunit I (COI) gene confirmed its systematic placement within the genus Provanna. This is the only gastropod from a family endemic to chemosynthetic ecosystems thus far known from the ‘Shinkai Seep Field’. Furthermore, with a collection depth of 5687 m, it represents the deepest known bathymetric range for the superfamily Abyssochrysoidea as a whole.

FIRST RECORD ON HOST PLANTS AND TAXONOMICAL DESCRIPTION ON Aptopus opata (ELATERIDAE: CARDIOPHORINAE: CARDIOPHORINI) FROM SINDH PAKISTAN

2020 ◽  
Vol 27 (1) ◽  
pp. 415-424
Author(s):  
Shabana Mangi
Keyword(s):  
Light Trap ◽  
Lateral Lobe ◽  
Morphological Characteristics ◽  
First Record ◽  
Pest Species ◽  
South Central ◽  
Sindh Province ◽  
Significant Damage ◽  
Germinating Seeds ◽  
First Time

Aptopus Eschscholtz is a native of the Mexico sonar light trap Huachuca Mountain of south central Arizona. This species has been first time observed from district Khairpur Sindh province of Pakistan from (March 2018 to October 2019), these observation represent first record of this species from Sindh or Pakistan. This description and illustrations are provided for easy identification, they cause significant damage to crops, they are pest species and omnivores feeder, especially on maize crops, potatoes, tomatoes and germinating seeds, weeds and small grasses overall in worldwide, its larva is yellowish to brown in color, from damage use the granules insecticides at planting time will prevent from wireworm, Aptopus opata is a differ from the closely allied species on the basis of genitalial and morphological characteristics body lengthened, dark brown to blackish with densely punctuations, prontal angles lengthened, pointed, scutellum blackish spot like, legs lengthened, aedeagus wider than longer, base broader, lateral lobe parameres slightly bigonal, with have golden hairs, at apex, median lobe parameres, broad at basal, rapidly narrowing apically, hairs like structure view from the ventral aspects.

Pycreus rubidomontanus (Cyperaceae), a widespread but undescribed species from tropical West Africa

Phytotaxa ◽  
2019 ◽  
Vol 405 (2) ◽  
pp. 83
Author(s):  
FILIP VERLOOVE ◽  
JANE BROWNING ◽  
ATTILA MESTERHÁZY
Keyword(s):  
New Species ◽  
West Africa ◽  
Endemic Species ◽  
Central Africa ◽  
Similar Species ◽  
Undescribed Species ◽  
South Central ◽  
Rare Endemic ◽  
A New Species

Pycreus rubidomontanus is described as a new species. It is relatively widespread in tropical West Africa where it had been confused up to present with P. atrorubidus, a very rare endemic species from Zambia in south-central Africa that probably is known only from the type gathering. Differences between these and other similar species are discussed and the new species is copiously illustrated.

Mesocoelium malayanum sp.n. (Digenea: Brachycoeliidae) in a frog, Rana macrodon Dumeril and Bibron 1941, from Malaysia

1977 ◽  
Vol 51 (3) ◽  
pp. 205-208 ◽  
Author(s):  
James R. Palmieri ◽  
John T. Sullivan
Keyword(s):  
New Species ◽  
Oral Sucker ◽  
Genital Pore ◽  
Anterior Testis ◽  
Intestinal Bifurcation ◽  
Excretory Vesicle ◽  
Posterior Testis ◽  
A New Species

ABSTRACTMesocoelium malayanum sp.n. is described from the frog Rana macrodon, in Malaysia. Elongate body, broader anteriorly, measuring 1·900 (1·679–2·070) mm long by 0·404 (0·380–0·437) wide, tegument aspinose oral sucker 0·212 (0·200–0·228) by 0·202 (0·191–0·205), acetabulum 0·141 (0·132–0·150) by 0·139 (0·123–0·146), prepharynx present, oesophagus 0·115 (0·096–0·137), caeca reaching posterior ⅓ of body, anterior testis 0·097 (0·087–0·110) by 0·091 (0·087–0·100) dorsal to acetabulum, posterior testis 0·094 (0·087–0·101) by 0·092 (0·091–0·100), cirrus pouch 0·121 (0·111–0·130) by 0·047 (0·041–0·055), genital pore at left of midline of oesophagus just anterior to intestinal bifurcation, ovary 0·110 (0·091–0·127) by 0·089 (0·085–0·096) on left of body and posterior to acetabulum, vitelline glands with single follicles extending from intestinal bifurcation to ends of caeca, excretory vesicle I-shaped and eggs 0·040 (0·037–0·046) by 0·023 (0·022–0·024). Although morphologically related to M. maroccanum and M. meggitti, M. malayanum is considered to be a new species.

scholarly journals Microtrema barusi gen. n. and sp. n. (Digenea: Phaneropsolidae) from Prunella modularis (Aves, Passeriformes) in the Czech Republic

2013 ◽  
Vol 50 (1) ◽  
pp. 43-45 ◽  
Author(s):  
J. Sitko
Keyword(s):  
Czech Republic ◽  
Ventral Sucker ◽  
Oral Sucker ◽  
Genital Pore ◽  
Short Distance ◽  
Posterior Part ◽  
Excretory Vesicle ◽  
The Czech Republic

AbstractMicrotrema gen. n. and Microtrema barusi sp. n. are described from the intestine of Prunella modularis in the Czech Republic. Genus and species have the following features: Body claviform, widest in region of ventral sucker. Tegument densely covered with tiny spines. Suckers small, widely separated. Oral sucker globular, subterminal. Ventral sucker globular, equatorial. Prepharynx very short or absent. Pharynx small, fine. Oesophagus divided into two short intestinal branches ending blindly anterior to testes. Testes globular, lateral, in region of ventral sucker. Vesicula seminalis small, genital pore in short distance before ventral sucker and opening of uterus. Bursa cirri and cirrus absent. Ovary globular, median, between testes. Mehlis’ gland long oval, posterior to ovary. Vitellarium weakly developed, in two lateral clusters composed of small follicles. Uterus in posterior part of body, with many eggs, covering vitellarium and partly ventral sucker. Excretory vesicle V-shaped, pore terminal.

Ceraurus and related trilobites from the Middle Ordovician Bobcaygeon Formation of south-central Ontario, Canada

1989 ◽  
Vol 26 (6) ◽  
pp. 1203-1219 ◽  
Author(s):  
William A. Hessin
Keyword(s):  
New Genus ◽  
Posterior Border ◽  
Middle Ordovician ◽  
Large Size ◽  
South Central ◽  
Lake Simcoe

Four cheirurine trilobite species belonging to three closely related genera are described from the Middle Ordovician Bobcaygeon Formation (Rocklandian–Kirkfieldian) of the Lake Simcoe area in south-central Ontario. Bufoceraurus is a new genus characterized by its large size, profuse, wart-like tubercles over the entire exoskeleton, short posterior border spines on the cephalon, short thoracic pleural spines, and large pygidium with two pairs of prominent posterior spines. The genus is represented by Bufoceraurus bispinosus (Raymond and Barton 1913). Gabriceraurus hirsuitus (Ludvigsen 1979b), Ceraurus plattinensis Foerste, 1920, and Ceraurus cf. globulobatus Bradley, 1930 are other species documented. Complete dorsal exoskeletal reconstructions are presented for all species based on well-preserved material. Hypostomes are known for all species.

scholarly journals Identification of the Goliath beetles Fornasinius fornasini Bertoloni and Fornasinius hauseri Kraatz (Scarabaeidae: Cetoniinae)

2018 ◽  
Author(s):  
Michele De Palma ◽  
Hitoshi Takano
Keyword(s):  
Lake Victoria ◽  
Original Description ◽  
Sub Saharan Africa ◽  
Large Size ◽  
South Central ◽  
Northern Tanzania ◽  
Republic Of The Congo ◽  
Lake Victoria Region ◽  
Sub Saharan ◽  
To Receive

SummaryThe Goliath beetles (subtribe Goliathina) are large Cetoniinae comprising a few highly related genera broadly distributed in sub-Saharan Africa. The genus Fornasinius Bertoloni was established in 1853 by Giuseppe Bertoloni to receive a taxon that was sufficiently distinct from the known representatives of the genus Goliathus Lamarck to merit a different placement. In spite of their large size and showy appearance, the members of the genus Fornasinius are poorly known. Here, the type species of the genus, F. fornasini Bertoloni, 1853 (type locality: Mozambique), is identified and re-described. It has emerged that F. fornasini Bertoloni has been misidentified after its original description and that only a few specimens are known of this species. F. fornasini sensu auct. (nec Bertoloni) is instead referable to another taxon, F. hauseri Kraatz, 1896 sp. bon., of which three subspecies can be distinguished: F. hauseri s. str., from south-central Kenya and possibly Cameroon; F. hauseri ssp. hirthi Preiss, 1904 stat. rev., from the Lake Victoria region and northern Tanzania; and a new subspecies to be described from south-east Democratic Republic of the Congo.

scholarly journals A new order of fishes as hosts of blood flukes (Aporocotylidae); description of a new genus and three new species infecting squirrelfishes (Holocentriformes, Holocentridae) on the Great Barrier Reef

Parasite ◽  
2021 ◽  
Vol 28 ◽  
pp. 76
Author(s):  
Scott C. Cutmore ◽  
Thomas H. Cribb
Keyword(s):  
New Species ◽  
Great Barrier Reef ◽  
Genital Pore ◽  
New Genus ◽  
Posterior Extremity ◽  
Barrier Reef ◽  
Blood Flukes ◽  
Lizard Island ◽  
Three New Species ◽  
Male Genital

A new genus and three new species of blood flukes (Aporocotylidae) are described from squirrelfishes (Holocentridae) from the Great Barrier Reef. Holocentricola rufus n. gen., n. sp. is described from Sargocentron rubrum (Forsskål), from off Heron Island, southern Great Barrier Reef, and Lizard Island, northern Great Barrier Reef, Australia. Holocentricola exilis n. sp. and Holocentricola coronatus n. sp. are described from off Lizard Island, H. exilis from Neoniphon sammara (Forsskål) and H. coronatus from Sargocentron diadema (Lacepède). Species of the new genus are distinct from those of all other aporocotylid genera in having a retort-shaped cirrus-sac with a distinct thickening at a marginal male genital pore. The new genus is further distinct in the combination of a lanceolate body, X-shaped caeca, posterior caeca that are longer than anterior caeca, a single, post-caecal testis that is not deeply lobed, a post-caecal, post-testis ovary that is not distinctly bi-lobed, and a post-ovarian uterus. The three new species can be morphologically delineated based on the size and row structure of the marginal spines, as well by total length, oesophagus and caecal lengths, and the position of the male genital pore, testes and ovary relative to the posterior extremity. The three species of Holocentricola are genetically distinct from each other based on cox1 mtDNA and ITS2 rDNA data, and in phylogenetic analyses of 28S rDNA form a well-supported clade sister to species of Neoparacardicola Yamaguti, 1970. This is the first report of aporocotylids from fishes of the family Holocentridae and the order Holocentriformes.

Macrourimegatrema brayi n. gen., n. sp. (Digenea: Opecoelidae) from four species of deep-sea macrourid fishes from the Gulf of Mexico and Caribbean Sea, with a list of endohelminths reported from species of Bathygadus and Gadomus (Macrouridae)

Zootaxa ◽  
2004 ◽  
Vol 566 (1) ◽  
pp. 1 ◽  
Author(s):  
CHARLES K. BLEND ◽  
NORMAN O. DRONEN ◽  
HOWARD W. ARMSTRONG
Keyword(s):  
Gulf Of Mexico ◽  
Oral Sucker ◽  
Posterior Extremity ◽  
Food Preferences ◽  
Anterior Testis ◽  
Excretory Vesicle ◽  
Deep Waters ◽  
Diagnostic Characteristics ◽  
Second Intermediate Host ◽  
Pyloric Ceca

Macrourimegatrema brayi n. gen., n. sp. (Digenea: Opecoelidae: Plagioporinae) is described from the pyloric ceca and intestines of 4 species of bathygadine macrourid fishes collected from deep waters of the Gulf of Mexico and off Colombia and Panama. Macrourimegatrema n. gen. can be distinguished from all other genera in the subfamily by possessing a combination of the following diagnostic characteristics: an atypically large elongate body; a short, distinct forebody separated from a long hindbody by a distinct constriction at the level of the acetabulum; a terminal, funnelshaped oral sucker; nearly equatorial ovary and testes and an unusual tubular excretory vesicle that winds between the 2 tandem testes. Macrourimegatrema n. gen. is most similar to the genus Anabathycreadium, but the former differs in having a smaller body size (6,000 vs 15,500 m); a funnelshaped oral sucker; a slightly protuberant acetabulum; suckers of equal size; an oval pharynx (rather than being ring-shaped); ceca that terminate some distance from the posterior extremity; a smaller cirrus sac that reaches only a short distance postacetabularly (rather than reaching to the level of the ovary); a genital pore that is bifurcal to slightly prebifurcal (rather than being at the posterior margin of the pharynx); numerous, small, follicular vitelline follicles that approach the level of the acetabulum anteriorly (rather than terminating well short of the level of the acetabulum); an ovary that is immediately pretesticular (rather than being far removed anteriorly from the anterior testis) and M. brayi n. gen., n. sp. has an unusual tubular excretory vesicle that winds between the 2 testes. Species of opecoelids are expected to utilize either a crustacean or fish second intermediate host, and the lack of fish reported for the food preferences of members of Bathygadinae studied here suggest that M. brayi n. gen., n. sp. probably infects its host through ingestion of a near-bottom pelagic crustacean. The precedence of using general body morphology of the species or its conformation to the characteristics of the 4 subfamilies of Opecoelidae is discussed.

Coherency loss in γ' precipitates in nickel-base superalloy

1983 ◽  
Vol 41 ◽  
pp. 244-245
Author(s):  
R. A. Ricks ◽  
Angus J. Porter
Keyword(s):  
Lattice Mismatch ◽  
Lattice Parameter ◽  
Nickel Base Superalloy ◽  
Large Size ◽  
The Matrix ◽  
Nimonic 80A ◽  
Interfacial Dislocations ◽  
Nickel Base ◽  
Coherency Loss ◽  
Nimonic 115

During a recent investigation concerning the growth of γ' precipitates in nickel-base superalloys it was observed that the sign of the lattice mismatch between the coherent particles and the matrix (γ) was important in determining the ease with which matrix dislocations could be incorporated into the interface to relieve coherency strains. Thus alloys with a negative misfit (ie. the γ' lattice parameter was smaller than the matrix) could lose coherency easily and γ/γ' interfaces would exhibit regularly spaced networks of dislocations, as shown in figure 1 for the case of Nimonic 115 (misfit = -0.15%). In contrast, γ' particles in alloys with a positive misfit could grow to a large size and not show any such dislocation arrangements in the interface, thus indicating that coherency had not been lost. Figure 2 depicts a large γ' precipitate in Nimonic 80A (misfit = +0.32%) showing few interfacial dislocations.

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