Lincus punctatus Campos & Roell 2018, NEW COMBINATION
Creators: name: Campos, Luiz Alexandre
name: Roell, Talita
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Pentatomidae
Lincus
Lincus punctatus

description: Lincus punctatus (Dallas, 1851), NEW COMBINATION
Ochlerus punctatus Dallas, 1851: 157 –158. NEW SYNONYMY
Phereclus punctatus: Stål (1867: 524); Stål (1872: 14); Kirkaldy (1909: 186); Campos & Grazia (2006: 154); Grazia et. al. (2015: 719).
Material examined. COLOMBIA, male syntype (Fig. 5), labels: “47 71”; “ Colombia ”; “7. Ochlerus punctatus,”; “ BRIT. MUS. TYPE No. HEM. 696”; “a”; “ Type ”; “ ♂ ”; “ SYNTYPE ”; “ NHMUK 010592531”
Comments. After examining the syntype of O. punctatus (Fig. 5) we conclude that this species does not present the common characteristics of Ochlerus Spinola, 1837 (eyes large, labium arising before the imaginary plane bisecting head at anterior limit of eyes, scutellum long and broad subapically, little longer than corium), or of Phereclus (labium arising before the imaginary plane bisecting head at anterior limit of eyes, second labial segment attaining mesocoxae, one half of basal antennal segment protruding beyond apex of head) (Rolston 1992). We propose transferring O. punctatus to Lincus Stål, 1867, because this species presents notable pronotal lobes (although short, similar as in L. tumidifrons Rolston, 1983 and L. varius Rolston, 1983) (Fig. 5D), the ventral rim of pygophore deeply and broadly emarginate (Fig. 5F), the male proctiger large, well protruded beyond the posterior pygophoral margin, and the parameres not visible within the pygophore (Figs. 5F, G) (Rolston 1983). Ochlerus punctatus keys to L. varius in Rolston’s key for the species of Lincus (Rolston 1983), but L. varius has brownish yellow calloused bands along the lateral margins of abdomen (Rolston 1983), absent in O. punctatus, and the proctiger is truncate at apex in L. varius while triangular in O. punctatus. We recognize O. punctatus as pertaining to the group of species whose males bear broad and posteriorly projected proctiger (“duck bill shaped” sensu Rolston 1983), and it can be differentiated from the other species of this group by the subtriangular apex of the proctiger (Figs. 5F, G). Besides that, O. punctatus could be included in the “little eyes” Rolston’s group of convenience (along with L. hebes Rolston, 1989, L. armiger Breddin, 1908, L. discessus (Distant, 1900), L. leviventris Rolston, 1983, L. machus Rolston, 1983, L. modicus Rolston, 1983, L. repizcus Rolston, 1983, and L. varius), differentiated from L. armiger and L. hebes by the much smaller pronotal lobes (Rolston 1983; 1989), and from L. discessus, L. manchus, L. modicus, and L. repizcus by the proctiger projected. Lastly, as the male of L. leviventris is unknown, O. punctatus can be differentiated from this species by the acute apices of pronotal lobes (obtuse in L. leviventris), and by the abdominal venter yellowish with many brown punctures (almost uniformly dark in L. leviventris) (Rolston 1983).
description: Published as part of Campos, Luiz Alexandre & Roell, Talita, 2018, Nomenclatural changes in Ochlerini (Hemiptera: Heteroptera: Pentatomidae: Discocephalinae), pp. 184-192 in Zootaxa 4434 (1) on page 188, DOI: 10.11646/zootaxa.4434.1.12, http://zenodo.org/record/1290912