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1.
Zootaxa ; 4560(2): zootaxa.4560.2.6, 2019 Feb 25.
Article in English | MEDLINE | ID: mdl-31716583

ABSTRACT

Praying mantises (Mantodea) are distinct for their rich diversity of cryptic adaptations. Among the many strategies, dry-leaf mimicry have evolved multiple times in unrelated lineages from different zoogeographic regions, among them the Neotropical Acanthopidae. Here we describe Metacanthops fuscum n. gen. et n. sp. based on male and female specimens from the Brazilian Amazon. The recognition of this new acanthopid lineage revealed that Acanthops amazonica Beier, 1930 (currently assigned to Metilia Stål) is a member of Metacanthops and thus we transfer this species, now referable to as Metacanthops amazonica (Beier, 1930) n. comb., redescribe the holotype, and provide new data on its distribution in Brazil and French Guiana. Metacanthops is closely related to Metilia, from which its number of forefemoral posteroventral spines, head and compound eye shape, pronotal configuration, wings features, and the entirely brown habitus of males, can distinguish it. We highlight some aspects of sexual dimorphism in Metacanthops fuscum in relation to their dimorphic cryptic strategies, where males resemble a dry leaf and females a lichenous twig. We additionally establish five recently published names under genus Metilia as nomina nuda.


Subject(s)
Ctenophora , Mantodea , Animals , Brazil , Female , French Guiana , Insecta , Male
2.
Zootaxa ; (3797): 194-206, 2014 May 21.
Article in English | MEDLINE | ID: mdl-24870864

ABSTRACT

Paramantoida amazonica n. gen. & n. sp. is described from North Amazon. The new genus is characterized by having anterior femora without postero-ventral spines or with 1-2 spinules (small spines) at most. Additional remarks on the genus Mantoida, following the examination of several primary types, are also presented. As a result, the identity of Manti-llica beieri Kaltenbach, 1957 as a member of Mantoida is herein confirmed, whereas other synonyms previously established for other species of Mantillica in relation to Mantoida are discarded.


Subject(s)
Mantodea/anatomy & histology , Mantodea/classification , Animals , Brazil , Demography , Female , Male , Mantodea/physiology , Species Specificity , Venezuela
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