Apotetamenus clipeatus Brunner von Wattenwyl, 1888

Cadena-Castañeda, Oscar J., García, Alexander García, Nos, Maria Del Pilar Castella-, Sarmiento, Juan Pablo Prias & Tavares, Gustavo Costa, 2022, Studies on chevron crickets: Contribution to the knowledge of Lutosinae / ini taxa (Orthoptera: Anostostomatidae), Zootaxa 5178 (4), pp. 347-379 : 374

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Apotetamenus clipeatus Brunner von Wattenwyl, 1888


Apotetamenus clipeatus Brunner von Wattenwyl, 1888

( Fig. 15 View FIGURE 15 )

http://lsid.speciesfile.org/urn:lsid: Orthoptera .speciesfile.org:TaxonName:20117

Comments. In this contribution we report specimens from the Brazilian Amazon and São Paulo. Unfortunately, no adult males were found, only subadults, but the identification is confirmed with several adult females found in the same collections, expanding the distribution of the species to the north and east of Brazil. This species was redescribed by Cadena-Castañeda & Cortés-Torres (2013), in that same contribution Apotetamenus politus Bruner, 1915 was synonymized under A. clipeatus .

The huge population collected in Macapá intrigued us once it is composed only of females. This data suggests that this particular population probably is parthenogenetic. It has been largely postulated that asexual populations are colonization linages, and usually occur where sexual populations are difficult to establish, like isolated or marginal habitats ( Lorenzo-Carballa et al. 2012).

The sites where this species was collected are predominantly formed by open vegetation or rightly altered forest—all the localities in Amazon region are areas of savanah or highly devasted forest areas (i.e., the locality in Paragominas is a bauxite mine). This data suggest that this kind of environment favors the stability of A. clipeatus populations or colonization.

Specimens examined and new records. Brazil, Pará, 1 female, Paragominas, Mineração Paragominas - Norsk Hydro , AL-7, 3°13’02” S, 47°42’11” W. 13.II.2019, Tavares, G.C. leg. ( ANALUT00001 , ORT 0143). 2 adult females, 23 imature males and 32 imature females GoogleMaps . Pará, Salvaterra , in three collection points: D1: 00°51’42’’S, 48°37’14.1’’W, D2: 00°51’44.6’’S, 48°37’21.8’’W, D3: 00°51’44.6’’S, 48°37’21.8’’W. 28.VIII-01.IX.2019. Savana, collected in pitfall. Chavier, C.; Antunes, H.; Drago, M.; Pantoja, P. leg. 2 adult females and 184 imature females GoogleMaps . Amapá, Macapá, Quilombo Mel da Pedreira , in three collection points: B1: 00°16’17”N, 51°04’24.1W, GoogleMaps B2: 00°16’25.8”N, 51°04’22.5”W, GoogleMaps B3: 00°16’33.8”N, 51°04’20.4”W. 14-18. VI.2019. Savana, collected in pitfall. Chavier, C.; Serrão, L.; Drago, M.; Pantoja, P. cols. GoogleMaps (except 1 imature female, collected in B2, 16.VI.2019, Manual nocturnal collection, Drago, M. col.). 1 female Mato Grosso, Querência , Fazenda Tanguro. ( MPEG) . São Paulo, Piracicaba , 10-XII-61. A. Zamiltla leg. ( CAUD) .

Measurements of adult females studied (in mm.). LB: 19–21. Pr: 11.5–12. HF: 14–15. HT: 12.7–13.5. Ov: 9.7–11.


Mykotektet, National Veterinary Institute


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