Diversity of edaphic Gamasina mites (Acari: Mesostigmata) in different ecosystems of the Caatinga biome in northeast Brazil

2021 ◽  
Author(s):  
Ávyla Régia de Albuquerque Barros ◽  
Emiliano Brandão De Azevedo ◽  
Edmilson Santos Silva ◽  
Raphael de Campos Castilho ◽  
Gilberto José De Moraes
Keyword(s):  
Abundant Species ◽  
Natural Vegetation ◽  
Prickly Pear ◽  
Northeast Brazil ◽  
Biological Pest Control ◽  
Control Programs ◽  
Caatinga Biome ◽  
Abundance And Diversity ◽  
Collection Date ◽  
A New Species

Knowledge of the fauna of soil mites in Brazilian soils is still scarce and limited to a few regions, referring almost exclusively to areas of natural vegetation. The purpose of this research was to evaluate the abundance and diversity of edaphic Gamasina mites (Mesostigmata) on ecosystems of natural vegetation and cultivations of prickly pear, cassava and pasture located in the Caatinga biome in the state of Alagoas, northeast Brazil. Collections were carried out every three months between December 2018 and August 2019. In each collection date and in each ecosystem, 16 soil samples were collected. During the study, a total of 2,979 Gamasina were collected. Representatives of 10 families were identified, one of which, new to science. The largest number of Gamasina collected belonged to Ascidae (60%), followed by Laelapidae (14.3%) and Rhodacaridae (10%). Forty-four morphospecies were found, of which 25 new to science, distributed in 22 genera, two new to science. Protogamasellus mica Athias-Henriot, Protogamasellus sigillophorus Mineiro, Lindquist & Moraes and a new species of Protogamasellus (Ascidae) were the most abundant species. Mean abundance and richness were highest in the natural vegetation (respectively 38.2 mites and 12.6 species per sample), followed by prickly pear (29.6 and 8.6), pasture (20.8 and 8.6) and cassava (10.9 and 5.7). The Shannon-Weaver’s index diversity was highest for pasture (2.6) and lowest for the natural vegetation (2.2). The equitability indexes were quite similar in the different ecosystems though slightly lower in the natural vegetation (0.7 in the natural vegetation and 0.8 in other ecosystems). A cluster analysis indicated that the area of natural vegetation was the most distant from the others. Several of the species collected belong to Laelapidae and Macrochelidae, families with species used in the applied biological pest control. Thus, it is hoped that this work will serve as a basis for future applied research, aimed at prospecting Gamasina potentially useful for use in biological control programs.

Updated checklist of caddisflies (Insecta: Trichoptera) from the state of Piauí, Northeast Brazil, including a new species and new geographical records

Zootaxa ◽  
2020 ◽  
Vol 4838 (2) ◽  
pp. 257-272
Author(s):  
LUCAS A.S. MORENO ◽  
GLEISON ROBSON DESIDÉRIO ◽  
WAGNER RAFAEL M. DE SOUZA ◽  
LUCAS R.C. LIMA
Keyword(s):  
New Species ◽  
New Record ◽  
New Records ◽  
The State ◽  
Northeast Brazil ◽  
Northeast Region ◽  
The Third ◽  
Caatinga Biome ◽  
A New Species

Some regions, such as the Northeast Region of Brazil, are still severely understudied and the trichopteran fauna of this region is not entirely known, mainly in areas from Cerrado and Caatinga biomes. Currently, 25 species have been reported from Piauí State, but most of these records are concentrated from one locality. This study aimed to update the knowledge of Trichoptera diversity in this state, including the description of a new species and new geographic records for the Northeast region and Brazil. The samples were collected in seven municipalities, using various traps. Specimens were also received from the municipality of Bom Jesus. Thirty-two species were added for Trichoptera fauna of Piauí, 14 of these represent new records for Northeast Brazil; furthermore, Neotrichia palma Flint 1982 is a new record for Brazil. Additionally, a new species, Cernotina longa sp. nov., is describe and illustrate, being the third nominal record of the genus for the Caatinga biome. Thus, with the contribution of this study, 57 species, 20 genera and seven families of caddisflies are known for Piauí State. 

A new species of Geogamasus Lee (Mesostigmata: Ologamasidae), with morphological details on species of the genus

2021 ◽  
Vol 26 (1) ◽  
pp. 124-134
Author(s):  
Avyla R. A. Barros ◽  
Emiliano B. De Azevedo ◽  
Edmilson S. Silva ◽  
Gilberto J. De Moraes ◽  
Raphael C. Castilho
Keyword(s):  
New Species ◽  
Natural Vegetation ◽  
Northeastern Brazil ◽  
Tabular Format ◽  
Adult Females ◽  
The World ◽  
Caatinga Biome ◽  
A New Species

Geogamasus lasaroi Barros, Azevedo & Castilho sp. nov. is described based on the morphology of adult females collected from soil-litter of a well preserved fragment of the natural vegetation of the Caatinga biome, in Alagoas state, northeastern Brazil. In addition, key information on the morphology of the world Geogamasus species is presented in a tabular format.

Phytoseiidae (Acari: Parasitiformes: Mesostigmata) inhabiting native plants from three biomes in Mato Grosso State, Brazil, with description of a new species

2021 ◽  
Author(s):  
Eliziane M. Conceição ◽  
Peterson R. Demite ◽  
José M. Rezende ◽  
Maria A. Carniello ◽  
Antonio C. Lofego
Keyword(s):  
Biological Control ◽  
New Species ◽  
Plant Species ◽  
Native Plants ◽  
Abundant Species ◽  
Mite Species ◽  
Amazon Forest ◽  
Mato Grosso ◽  
Control Programs ◽  
A New Species

Phytoseiidae (Acari: Mesostigmata) is one of the most studied mite families due to their use in biological control programs. The southwestern region of Mato Grosso State, Brazil remains poorly explored concerning its mite fauna. Therefore, the aim of this study was to conduct a survey of Phytoseiidae mites in the southwestern region of Mato Grosso State, Brazil. Samplings were carried out in three areas, representing the following: Amazon Forest (AF), Cerrado (CE) and Pantanal (PA) biomes. Five species of native plants commonly found throughout the areas were selected, as well as five others exclusive for each area. In total, five individuals from each plant species were collected. Thirty mite species belonging to 16 genera were recorded: AF (14 species), CE (15) and PA (23). The three most abundant species in this study belongs to the genus Amblyseius: A. acalyphus Denmark & Muma, A. aerialis (Muma) and A. chiapensis De Leon. In the AF the most abundant species were A. aerialis, A. chiapensis and Euseius concordis (Chant); in the CE were A. acalyphus, A. chiapensis and Typhlodromips furcus Lofego, Demite & Feres; lastly in the PA were A. acalyphus, A. aerialis and T. furcus. The plants which harbored the highest richness were common to the three biomes: Physocalymma scaberrimum Pohl (Lithraceae) (12), Cecropia pachystachya Trécul (Urticaceae) (11) and Siparuna guianensis Aubl. (Siparunaceae), (11). A new species, Amblyseius matogrossensis sp. nov., is described and illustrated.

A new species of Ammothea and other pycnogonids from around Livingston Island, South Shetland Islands, Antarctica

2000 ◽  
Vol 12 (1) ◽  
pp. 47-51 ◽  
Author(s):  
Tomás Munilla León
Keyword(s):  
New Species ◽  
Abundant Species ◽  
South Shetland Islands ◽  
Similar Species ◽  
Shetland Islands ◽  
Livingston Island ◽  
The Family ◽  
A New Species

Specimens of 22 species of pycnogonids belonging to twelve genera and seven families were collected during a cruise near Livingston Island, South Shetland Islands. Twenty two of the 94 stations yielded pycnogonids: the new species Ammothea hesperidensis is described fully, illustrated, and compared with similar species. The family Nymphonidae provided both the greatest diversity of species (seven) and number of specimens (35). The most abundant species were Achelia hoekii and Nymphon australe.

scholarly journals First record of Sylvilagus brasiliensis (Linnaeus, 1758) (Lagomorpha: Leporidae) in Rio Grande do Norte state, Northeast Brazil

Check List ◽  
2016 ◽  
Vol 12 (2) ◽  
pp. 1856 ◽  
Author(s):  
Ana Raquel Carvalho Dantas ◽  
Fernando Heberson Menezes ◽  
Kalyl Silvino Serra ◽  
Edja Daise Oliveira Barbosa ◽  
Hugo Fernandes-Ferreira
Keyword(s):  
Rio Grande ◽  
First Record ◽  
Northeast Brazil ◽  
Important Data ◽  
Adult Individual ◽  
Caatinga Biome ◽  
Mammal Diversity

We document the first record of Sylvilagus brasiliensis (Linnaeus, 1758) in Rio Grande do Norte state, Brazil. An adult individual was photographed in October 2015 in the municipality of João Câmara. This is the northernmost report of this species for the Caatinga biome. This article also represents important data for the Rio Grande do Norte, since the mammal diversity of this state is practically unknown.

A new species of Placospongia Gray, 1867 (Porifera, Demospongiae, Placospongiidae) and new record of P. ruetzleri van Soest, 2017 from Northeast, Brazil

Zootaxa ◽  
2021 ◽  
Vol 5072 (1) ◽  
pp. 12-22
Author(s):  
ROSA MÁCOLA ◽  
CARLA MENEGOLA
Keyword(s):  
New Species ◽  
New Record ◽  
Identification Key ◽  
Type Locality ◽  
Shallow Waters ◽  
Northeast Brazil ◽  
Western Atlantic ◽  
First Time ◽  
A New Species

A new species of Placospongia is described from Bahia State, Brazil. Placospongia giseleae sp. nov.. The specimen is found on the underside of rocks in shallow waters (0-20m), and is unique by having a spiculation consisting of two tylostyle categories, selenasters and acanthomicrorhabds. In addition, Placospongia ruetzleri, is recorded for the first time to Bahia state, 2.974 km southwards from its type locality, the Guyana shelf. The diversity of Placospongia species is raised from two to four taxa. An identification key for Western Atlantic Placospongia species is presented.  

Diderma aglomerospora (Didymiaceae, Physarales, Myxomycetes), a new species from Brazil

Phytotaxa ◽  
2021 ◽  
Vol 494 (2) ◽  
pp. 231-236
Author(s):  
DAVID ÍTALLO BARBOSA ◽  
TIAGO ESPÓSITO O. MELO ◽  
FÁBIO ANDRÉ BREYNER ◽  
LAISE DE HOLANDA CAVALCANTI
Keyword(s):  
New Species ◽  
Environmental Protection ◽  
Type Material ◽  
Northeast Brazil ◽  
Forest Environment ◽  
Moist Chamber ◽  
Environmental Protection Area ◽  
Protection Area ◽  
A New Species

Diderma aglomerospora is here proposed as a new species based on morphological analyses. The new species resembles D. badhamioides by possessing clustered spores but differs from it by the absence  of a columella and narrower filaments of the capillitium. The type material was developed in moist chamber assembled with bark of live trees from a restinga forest environment in the Guadalupe Environmental Protection Area, Pernambuco, Northeast Brazil. Sporocarps are described and illustrated, and comments on characteristics of the microhabitat are provided.

Hexasepalum nordestinum (Rubiaceae): A New Species from Two Disjoint and Fragmented Areas in Northeast Brazil, with a Key to the American Species of the Genus

2019 ◽  
Vol 44 (1) ◽  
pp. 203-209 ◽  
Author(s):  
Andrea A. Cabaña Fader ◽  
Elnatan Bezerra de Souza ◽  
Ellen K. de Sousa Brandão ◽  
Elsa L. Cabral
Keyword(s):  
New Species ◽  
Northeast Brazil ◽  
A New Species

A study in East Africa of the bean flies (Dipt., Agromyzidae) affecting Phaseolus vulgaris and of their natural enemies, with the description of a new species of Melanagromyza Hend

1969 ◽  
Vol 59 (3) ◽  
pp. 541-561 ◽  
Author(s):  
D. J. Greathead
Keyword(s):  
Phaseolus Vulgaris ◽  
East Africa ◽  
Abundant Species ◽  
Graphical Analysis ◽  
Control Measures ◽  
Bean Plants ◽  
Parasite Complex ◽  
A New Species ◽  
Bean Fly ◽  
Important Parasite

Examination of infested bean plants (Phaseolus vulgaris) showed that “bean fly” in East Africa consists of three species, Melanagromyza phaseoli (Tryon), M. spencerella sp. n. and Ophiomyia centrosematis (de Meij.). M. spencerella is described, and notes are given on the life-cycle, host-plants and distribution for all three species. Their importance in East Africa is discussed and it is concluded that M. spencerella is the most damaging because it oviposits and feeds in the hypocotyl, is frequently the most abundant species and is less effectively parasitised. Bean plants able to produce adventitious roots freely are able to grow away from the important early attack in the stems. Published work on chemical control measures is summarised.The parasite complex associated with bean fly in East Africa was studied, and notes are given on the species present, the recognition of their early stages, their host ranges and abundance. Parasitism is discussed in relation to the infestations found on beans, with special reference to Opius melanagromyzae Fisch., the most important parasite of M. phaseoli, and Eucoilidea sp., the most important parasite of M. spencerella. It is concluded from graphical analysis that O. melanagromyzae is density-dependent and an important factor in limiting M. phaseoli populations in East Africa. Eucoilidea sp., on the other hand, shows signs of delayed density-dependence and is less effective in controlling its principal host. O. melanagromyzae has recently been sent to Hawaii for release against M. phaseoli; some field recoveries have been made already.

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