Integrative taxonomy of new firefly taxa from the Atlantic Rainforest

Silveira, Luiz Felipe Lima da; Khattar, Gabriel; Souto, Paula M.; Mermudes, José Ricardo M.; Takiya, Daniela Maeda; Monteiro, Ricardo Ferreira

doi:10.1080/14772000.2016.1153006

Cited by 30 publications

(24 citation statements)

References 38 publications

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“…These conditions may be especially influential on the evolutionary history and speciation of railroad-worms. This pattern of endemism has been observed in other soft-bodied elateroid beetles, such as lampyrids (e.g., Silveira et al, 2016) and phengodids (e.g., Roza et al, 2017).…”

Section: Discussionsupporting

confidence: 67%

A new genus of railroad-worm beetles from the Atlantic Rainforest from Brazil (Coleoptera: Phengodidae, Mastinocerinae)

Roza¹,

Mermudes²

2020

Pap. Avulsos Zool.

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Here we describe a new genus, Cleidella gen. nov., and two new species, C. picea sp. nov. and C. silveirai sp. nov., all from Rio de Janeiro State, Brazil. The new genus is characterized by the interantennal distance subequal to scape length, antenna with 11 antennomeres, IV to X with two long symmetrical branches; mandibles long, projected and not crossed, pointed forward obliquely from head; maxillary palpi 4‑segmented, last segment digitiform; labial palpi 2‑segmented; posterior tentorial pit consisting of a single small fossa; elytron surpassing from the fourth to fifth abdominal segment, 3.3‑3.9× longer than wide; first tarsomere of protarsus with a ventral comb as long as the tarsomere length; wing with radial cell closed and transverse, vein r4 interrupted; aedeagus with paramere symmetrical, apex unevenly round, toothed inward, with short and scarce bristles. We provide a key to Mastinocerinae genera with 11 antennomeres, as well as illustrations for the diagnostic features for this new genus and a key to its species.

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Section: Discussionsupporting

confidence: 67%

A new genus of railroad-worm beetles from the Atlantic Rainforest from Brazil (Coleoptera: Phengodidae, Mastinocerinae)

Roza¹,

Mermudes²

2020

Pap. Avulsos Zool.

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“…The region currently remains in constant degradation, mostly fragmented into isolated archipelagos of small forest fragments surrounded by open-habitat www.nature.com/scientificreports www.nature.com/scientificreports/ matrices, with only less than 10% of its original coverage 25,41,42 and only about a third of its total extent preserved by conservation units 24 . Nevertheless, even those remaining forest fragments still harbor a multitude of newly discovered animal taxa including both vertebrates [43][44][45] and invertebrates [46][47][48][49][50][51] . Currently, the largest and best preserved portions of the Brazilian Atlantic rainforest are situated near the southern mountain ranges including Serras do Mar and da Mantiqueira 42 , where all Jurasaidae known thus far were collected.…”

Section: Discussionmentioning

confidence: 99%

“…It covers an area of 105.3 km 2 with altitudes ranging from 200 to 2,285 m. This conservation unit comprises one of the largest area of dense ombrophilous vegetation in Rio de Janeiro state, although approximately 45% are under anthropogenic land use, mainly pastures. Both Serra dos Toledos and Serra dos Órgãos are situated in the Atlantic Rainforest domain 48,53 . The collection, maintenance, and shipping of specimens were conducted in accordance with the Brazilian environmental laws (Sisbio permits 53842-1, 53842-2, 53842-3, 43943-1, SisGen Shipping Registration R1CE59F, and authorization of the Municipal Government of Itajubá).…”

Section: Methodsmentioning

confidence: 99%

Hidden diversity in the Brazilian Atlantic rainforest: the discovery of Jurasaidae, a new beetle family (Coleoptera, Elateroidea) with neotenic females

Rosa

Costa

Kramp

et al. 2020

Sci Rep

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Beetles are the most species-rich animal radiation and are among the historically most intensively studied insect groups. consequently, the vast majority of their higher-level taxa had already been described about a century ago. In the 21st century, thus far, only three beetle families have been described de novo based on newly collected material. Here, we report the discovery of a completely new lineage of soft-bodied neotenic beetles from the Brazilian Atlantic rainforest, which is one of the most diverse and also most endangered biomes on the planet. We identified three species in two genera, which differ in morphology of all life stages and exhibit different degrees of neoteny in females. We provide a formal description of this lineage for which we propose the new family Jurasaidae. Molecular phylogeny recovered Jurasaidae within the basal grade in elateroidea, sister to the well-sclerotized rare click beetles, cerophytidae. this placement is supported by several larval characters including the modified mouthparts. The discovery of a new beetle family, which is due to the limited dispersal capability and cryptic lifestyle of its wingless females bound to long-term stable habitats, highlights the importance of the Brazilian Atlantic rainforest as a top priority area for nature conservation.Coleoptera (beetles) is by far the largest insect order by number of described species. Approximately 400,000 species have been described, and many new ones are still frequently being discovered even in regions with historically high collecting activity 1 . Because this group has been intensively studied since the age of early systematists, and most of the major higher-level taxa had already been described by about a century ago, discoveries of new beetle families are nowadays a rare occurrence. The vast majority of recent family descriptions is based on the already known taxa for which a new systematic placement was recovered by the use of phylogenetic analyses 2-5 . Thus, only three beetle families have been erected de novo in the 21st century based on newly collected material. Firstly, Aspidytidae were described based on two species from South Africa and China, which currently represent monotypic genera 6,7 . Secondly, the monotypic family Meruidae was created for a hitherto undescribed lineage from Venezuela 8 . Finally, the new monogeneric family Iberobaeniidae was described based on three species from the southern part of the Iberian Peninsula 9,10 . Whereas both Aspidytidae and Meruidae represent semiaquatic families within the suborder Adephaga, Iberobaeniidae were recovered as a deep branch in the polyphagan superfamily Elateroidea 9 .Elateroidea (the click-beetles, soldier-beetles, fireflies and relatives), the largest superfamily of the series Elateriformia, form one of the major and oldest polyphagan lineages 11,12 . Currently, they contain approximately 25,000 described species classified into 13 families [13][14][15][16] . The elateroid beetles exhibit extraordinary morphological diversity. Some lineages contai...

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“…Lampyridae have soft carapaces compared to other Coleoptera, and are often associated with moist environments (Branham, ), so they may require particular adaptations to different physical conditions, which could also encourage elevational specialisation. They also commonly show intensive sexual selection (Lewis & Cratsley, ; South et al ., ) and many have poorly dispersive females (Cicero, ; Bocak et al ., ; South et al ., ; Silveira et al ., ), which might encourage ecological speciation and subdivision of the ecological niche by elevation. Some of the common braconids might be ecological‐ or host‐generalists, encouraging broader ecological tolerances and elevational ranges.…”

Section: Discussionmentioning

confidence: 99%

Insect elevational specialization in a tropical biodiversity hotspot

Macêdo

Monteiro

Flinte

et al. 2017

Insect Conserv Diversity

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Tropical montane organisms are vulnerable to climate change because of elevational specialisation, but little is known of the variability in elevational specialisation across tropical insects. We assessed elevational specialisation across several insect taxa comprising four trophic groups 80–2263 m up an elevational transect in Brazilian Atlantic Rainforest, using community‐based and species‐based approaches. We sampled 697 species, of which 32% were found only in the top and 45% only in the bottom half of the transect. Considering only the 182 species with at least five individuals recorded, the percentage of species found exclusively in the top or bottom half drops to 16% and 24%. Across four vegetation belts (lower montane forest, montane forest, upper montane forest and Campos de Altitude) the Eumolpinae (herbivores) were more specialised than Scarabaeinae (saprotrophs), or Lampyridae (predators). This result was robust to the treatment of rare species, and the difference was most marked at higher elevations. Lampyridae lacked upper montane forest specialists. Using all species sampled, specialisation to the upper or lower half of the transect was greatest among Chrysomelidae, Curculionidae (both herbivores) and Lampyridae, and lowest among Tiphiidae (parasitoids) and Coccinellidae (predators). Considering only better sampled species, however, Lampyridae were the most specialised and Braconidae the least specialised. Trophic groups also varied consistent with these findings. Our findings suggest high elevational specialisation and concomitant extinction risk in Brazilian Atlantic Rainforest insects. Differences in elevational specialisation between taxonomic groups may alter the functioning of insect communities under climate change.

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Integrative taxonomy of new firefly taxa from the Atlantic Rainforest

Cited by 30 publications

References 38 publications

A new genus of railroad-worm beetles from the Atlantic Rainforest from Brazil (Coleoptera: Phengodidae, Mastinocerinae)

A new genus of railroad-worm beetles from the Atlantic Rainforest from Brazil (Coleoptera: Phengodidae, Mastinocerinae)

Hidden diversity in the Brazilian Atlantic rainforest: the discovery of Jurasaidae, a new beetle family (Coleoptera, Elateroidea) with neotenic females

Insect elevational specialization in a tropical biodiversity hotspot

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