Three ways to distinguish species: using behavioural,ecological, and molecular data to tell apart two closely related ants, Camponotus renggeri and Camponotus rufipes (Hymenoptera: Formicidae)

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Three ways to distinguish species: using behavioural,ecological, and molecular data to tell apart two closely related ants, Camponotus renggeri and Camponotus rufipes (Hymenoptera: Formicidae)

Mariane u. V. Ronque [et al.] - Nama Orang;

The closely related Camponotus renggeri and Camponotus rufipes (subgenus Myrmothrix) often live in sympatry
in the Brazilian ‘cerrado’ savannah, and are distinguished by nuances in their blackish body colour and by the
colour of the legs. Variation in morphological characters, however, makes species separation difficult and it has
been suggested that the two species should be merged into one. As appropriate species identification is essential
for studies in ecology and evolutionary biology, here we examine how natural history data (habitat preference,
nesting biology) and molecular tools (nuclear and mitochondrial markers) perform in distinguishing sympatric populations of C. renggeri and C. rufipes. In our study area, C. rufipes was only seen in cerrado sensu stricto (scrub of shrubs and trees), whereas C. renggeri occurred in cerrado sensu stricto and cerradão (closed woodland). Camponotus
renggeri nested underground or in fallen/erect dead trunks, whereas C. rufipes constructed distinctive nests of dry
straw. Nest persistence through time was higher in C. rufipes, especially in the hot/rainy season. Nest distribution
was random in C. renggeri and aggregated in C. rufipes. Molecular data consistently showed that, regardless
of the source of genetic variation, the uppermost hierarchical level of divergence is observed between species, unambiguously differentiating the individuals identified as C. renggeri and C. rufipes as two independent evolutionary
lineages. Mitochondrial data throughout the species’ geographical ranges further confirmed a consistent genetic
divergence between C. renggeri and C. rufipes along their distribution in Brazil. Our integrated approach combining
morphological traits with natural history and molecular data confirms that C. renggeri and C. rufipes are valid
species that can be separated in our study area relatively well.

ADDITIONAL KEYWORDS: cerrado savannah – habitat preference – integrative taxonomy – microsatellites – mtDNA – natural history traits – nesting habits – species delimitation.

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Informasi Detail

Judul Seri: Zoological Journal of the Linnean Society
No. Panggil: -
Penerbit: : The Linnean Society of London., 2016
Deskripsi Fisik: Zoological Journal of the Linnean Society, 2016, 176, 170–181.
Bahasa: English
ISBN/ISSN: doi: 10.1111/zoj.123
Klasifikasi: -
Tipe Isi: -
Tipe Media: -
Tipe Pembawa: -
Edisi: -
Subjek: BIOLOGI
Info Detail Spesifik: -
Pernyataan Tanggungjawab: Wati/Agus

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FULL TEXT:Three ways to distinguish species: using behavioural,ecological, and molecular data to tell apart two closely related ants, Camponotus renggeri and Camponotus rufipes (Hymenoptera: Formicidae)

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