<documentid="792502F51253440550DF939808C835B5"ID-DOI="10.11646/zootaxa.5419.3.3"ID-ISSN="1175-5326"ID-Zenodo-Dep="10791748"IM.bibliography_approvedBy="guilherme"IM.illustrations_approvedBy="guilherme"IM.materialsCitations_approvedBy="guilherme"IM.metadata_approvedBy="felipe"IM.tables_approvedBy="guilherme"IM.taxonomicNames_approvedBy="guilherme"IM.treatments_approvedBy="guilherme"checkinTime="1709794792998"checkinUser="plazi"docAuthor="Serrano, Artur R. M."docDate="2024"docId="03B187B5FFD53D7C6BB3F935FDDBFA7A"docLanguage="en"docName="zootaxa.5419.3.3.pdf"docOrigin="Zootaxa 5419 (3)"docSource="http://dx.doi.org/10.11646/zootaxa.5419.3.3"docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article"docStyleId="647186512141C8FC8976D5BCC54AEB7D"docStyleName="Zootaxa.2013-.journal_article"docStyleVersion="9"docTitle="Dontolobus bivari Serrano 2024, n. sp."docType="treatment"docVersion="2"lastPageNumber="376"masterDocId="FF88FFCDFFD83D736B24FFBEFFF4FFBB"masterDocTitle="Ground beetles of the subfamily Lebiinae (Carabidae) of Guinea-Bissau: description of three new species and faunistic notes"masterLastPageNumber="393"masterPageNumber="361"pageNumber="374"updateTime="1728053750779"updateUser="guilherme"zenodo-license-document="CLOSED">
<mods:titleid="531AAC4DDB4D2C297AB782435B583338">Ground beetles of the subfamily Lebiinae (Carabidae) of Guinea-Bissau: description of three new species and faunistic notes</mods:title>
<figureCitationid="13232A26FFD53D7E6BBBF90EFEEDF971"box="[159,281,1712,1738]"captionStart="FIGURE 1"captionStartId="19.[151,250,1719,1743]"captionTargetBox="[161,1426,192,1685]"captionTargetId="figure-19@19.[151,1436,181,1695]"captionTargetPageId="19"captionText="FIGURE 1. Habitus of Lebiinae species. (a) Arsinoe aguiari n. sp. (dorsal view), holotype male, Coli (Quebo), TOB, ASC; (b) Dontolobus bivari n. sp. (dorsal view), holotype male, Coli (Quebo), TOB, ASC; (c) Lasiocera schwarzi n. sp. (dorsal view), female, Banhinda, CAC, ASC; (d) Lasiocera asmara (dorsal view) plus labels, paratype, Eritreia, MRAC; (e) Lasiocera mirei (dorsal view) plus labels, paratype, Cameroon, MRAC; (f) Lasiocera nitidula (dorsal view) plus labels, female, Central African Republic, MRAC."figureDoi="http://doi.org/10.5281/zenodo.10791750"httpUri="https://zenodo.org/record/10791750/files/figure.png"pageId="13"pageNumber="374">Figures 1b</figureCitation>
,
<figureCitationid="13232A26FFD53D7E6A02F90EFEA9F971"box="[294,349,1712,1738]"captionStart="FIGURE 2"captionStartId="22.[151,250,1954,1978]"captionTargetBox="[171,1409,500,1930]"captionTargetId="figure-108@22.[164,1423,488,1930]"captionTargetPageId="22"captionText="FIGURE 2. Aedeagus of: Arsinoe aguiari n. sp. (a), median lobe and right paramere (lateral views) (b), median lobe (dorsal view); Dontolobus bivari n. sp. (c), median lobe and right paramere (lateral views) (d), median lobe (dorsal view)."figureDoi="http://doi.org/10.5281/zenodo.10791752"httpUri="https://zenodo.org/record/10791752/files/figure.png"pageId="13"pageNumber="374">2c–d</figureCitation>
head, including mandibles, labrum, palps, antennae and legs reddish-brown; pronotum darker, elytra brown-blackish with yellow-reddish lateral margin, each elytron with a yellowish oblique subhumeral spot that reaches the base and a yellowish subapical spot on intervals 1
; body glabrous, winged; head distinctly punctured; pronotum transverse, denser and finely punctured on the disc, lateral margins narrowing posteriad in a straight line up to the posterior angles; male genitalia (
<figureCitationid="13232A26FFD63D7D6F08FE2DFB50FE16"box="[1068,1188,403,429]"captionStart="FIGURE 2"captionStartId="22.[151,250,1954,1978]"captionTargetBox="[171,1409,500,1930]"captionTargetId="figure-108@22.[164,1423,488,1930]"captionTargetPageId="22"captionText="FIGURE 2. Aedeagus of: Arsinoe aguiari n. sp. (a), median lobe and right paramere (lateral views) (b), median lobe (dorsal view); Dontolobus bivari n. sp. (c), median lobe and right paramere (lateral views) (d), median lobe (dorsal view)."figureDoi="http://doi.org/10.5281/zenodo.10791752"httpUri="https://zenodo.org/record/10791752/files/figure.png"pageId="14"pageNumber="375">Figs 2c–d</figureCitation>
), distinctly punctured and glabrous, without microsculpture, slight longitudinal furrows on the sides near the eyes, not visible in frons, vertex punctured; mandibles of medium length; labrum wider than long (males: length
), very slightly finely punctured, anterior margin just distinctly arcuate in the middle, six setae close to the anterior margin; clypeus slightly bossed longitudinally, sparsely but distinctly punctured in the middle, anterior margin straight, one long and fine anteriad brownish seta near lateral margin, posterior margin slightly convex; mentum largely triangular, glossa with two setae at apex, as well as two minute central setae very close between, paraglossae longer than the glossa, pubescent on the external side; palps microreticulate, with a few very small scattered setae, last palpomeres moderately narrowed towards the apex, labial palps dichete; eyes large and prominent, temples short, narrowing obliquely towards the neck; antennae short, not surpassing posteriorly the base of the pronotum, 1
antennomere, the remaining ones pubescence, with the same length, the last antennomere longer and more or less acuminate; one pair of supraorbital long dark ferruginous setae on each side.
), widest point clearly before the middle; anterior margin arcuate, slightly narrower than the base, lateral margins angulate at the maximum width, narrowed posteriorly almost in a straight line up to the posterior angles; anterior angles rounded, slightly protruded; posterior angles strongly obtuse, not sharped at apex; posterior margin finely ridged, slightly emarginated, not lobed in the middle; surface of disc with transverse microreticulation among denser and smaller punctures than the head; two setae in each lateral margin, one at the maximum width and one at the posterior angle; longitudinal median sulcus fine, clearly visible in the median part, not reaching the anterior and posterior margins; anterior and posterior transverse sulci very faintly distinct, not clearly visible; lateral surface between disc and lateral margins very large, widened posteriad, with isodiametric reticulation, coarser punctuation than that of the disc; scutellum triangular, with isodiametric reticulation, scarcely punctured.
stria just before the sutural apex, not toothed in the shoulders, forming a curve; apical margin very slightly sinuous; interval surfaces silky, glabrous, not convex, finely but distinctly punctured, isodiametric microreticulation among punctures; setiferous basal pore present; two setiferous discal pores on the 3
stria; umbilicate series constituted by 14 setiferous pores (6 aggregate behind the shoulders, 2 central and 6 subapical); two apical setae, one of which inserted in a smaller umbilical pore.
. All underside brownish, glabrous; gula and mesosternum smooth; ventral and lateral sides of genae (neck), prosternum and propleura faintly and scarcely punctured, some punctures of prosternum with pale minute setae dressed and directed posteriad; metasternum smooth in the middle, gradually punctured in the lateral surfaces; metepisterna elongated, narrowed posteriorly, smooth; prosternal apophysis not bordered; elytral epipleura simple, enlarged and slightly excavated longitudinally in the first third, narrowing roughly to the apex; abdomen surface very scarcely and finely punctured, smooth among punctures, transverse microreticulation only visible in the last abdominal sternite at high magnification; last abdominal sternite of males and females with 2 pairs of subapical setae.
<figureCitationid="13232A26FFD73D7C6A35FEBDFE93FEA6"box="[273,359,259,285]"captionStart="FIGURE 1"captionStartId="19.[151,250,1719,1743]"captionTargetBox="[161,1426,192,1685]"captionTargetId="figure-19@19.[151,1436,181,1695]"captionTargetPageId="19"captionText="FIGURE 1. Habitus of Lebiinae species. (a) Arsinoe aguiari n. sp. (dorsal view), holotype male, Coli (Quebo), TOB, ASC; (b) Dontolobus bivari n. sp. (dorsal view), holotype male, Coli (Quebo), TOB, ASC; (c) Lasiocera schwarzi n. sp. (dorsal view), female, Banhinda, CAC, ASC; (d) Lasiocera asmara (dorsal view) plus labels, paratype, Eritreia, MRAC; (e) Lasiocera mirei (dorsal view) plus labels, paratype, Cameroon, MRAC; (f) Lasiocera nitidula (dorsal view) plus labels, female, Central African Republic, MRAC."figureDoi="http://doi.org/10.5281/zenodo.10791750"httpUri="https://zenodo.org/record/10791750/files/figure.png"pageId="15"pageNumber="376">Fig. 1b</figureCitation>
) slightly elongated; male first three fore tarsomeres slightly dilated, underside felted with two rows of squamulose setae, mesotibiae on the internal side with subapical notch; female fore tarsomeres not dilated; male and female first tarsomere of intermedium and hind tarsi pubescent underneath, remaining tarsomeres including the onychium only with lateral setae underneath; claws simple.
<figureCitationid="13232A26FFD73D7C6A5BFE2DFE08FE16"box="[383,508,403,429]"captionStart="FIGURE 2"captionStartId="22.[151,250,1954,1978]"captionTargetBox="[171,1409,500,1930]"captionTargetId="figure-108@22.[164,1423,488,1930]"captionTargetPageId="22"captionText="FIGURE 2. Aedeagus of: Arsinoe aguiari n. sp. (a), median lobe and right paramere (lateral views) (b), median lobe (dorsal view); Dontolobus bivari n. sp. (c), median lobe and right paramere (lateral views) (d), median lobe (dorsal view)."figureDoi="http://doi.org/10.5281/zenodo.10791752"httpUri="https://zenodo.org/record/10791752/files/figure.png"pageId="15"pageNumber="376">Figs 2 c–d</figureCitation>
). Median lobe of aedeagus medium sized (length: 2.0 mm), very slightly sinuous on the ventral side (lateral view), concave in the lateral side (dorsal view); ostium small, membranous, displaced to the left side; apical lamella short, rounded (dorsal and lateral views); apex bending very slightly upwards (lateral view) (
<figureCitationid="13232A26FFD73D7C6A60FE41FE55FDA2"box="[324,417,511,537]"captionStart="FIGURE 2"captionStartId="22.[151,250,1954,1978]"captionTargetBox="[171,1409,500,1930]"captionTargetId="figure-108@22.[164,1423,488,1930]"captionTargetPageId="22"captionText="FIGURE 2. Aedeagus of: Arsinoe aguiari n. sp. (a), median lobe and right paramere (lateral views) (b), median lobe (dorsal view); Dontolobus bivari n. sp. (c), median lobe and right paramere (lateral views) (d), median lobe (dorsal view)."figureDoi="http://doi.org/10.5281/zenodo.10791752"httpUri="https://zenodo.org/record/10791752/files/figure.png"pageId="15"pageNumber="376">Fig. 2 c</figureCitation>
); basal bulb thin; endophallus without visible sclerites; left paramere longer than wide, rounded at apex, slightly sinuous on the ventral side, without any distal tooth (
<figureCitationid="13232A26FFD73D7C6F3BFD9DFB8DFD86"box="[1055,1145,547,573]"captionStart="FIGURE 2"captionStartId="22.[151,250,1954,1978]"captionTargetBox="[171,1409,500,1930]"captionTargetId="figure-108@22.[164,1423,488,1930]"captionTargetPageId="22"captionText="FIGURE 2. Aedeagus of: Arsinoe aguiari n. sp. (a), median lobe and right paramere (lateral views) (b), median lobe (dorsal view); Dontolobus bivari n. sp. (c), median lobe and right paramere (lateral views) (d), median lobe (dorsal view)."figureDoi="http://doi.org/10.5281/zenodo.10791752"httpUri="https://zenodo.org/record/10791752/files/figure.png"pageId="15"pageNumber="376">Fig. 2 c</figureCitation>
This species is named in honour of Dr. António Bivar de Sousa, a friend, a specialist on Dermaptera and Lepidoptera, who I have participated with on several entomological missions carried out in
<bibRefCitationid="EF894B52FFD73D7C6889FD45FB88FCAE"author="Basilewsky, P."box="[941,1148,763,789]"pageId="15"pageNumber="376"pagination="47 - 64"refId="ref21622"refString="Basilewsky, P. (1970 a) Descriptions de Coleopteres Carabidae africains nouveaux de la sous-famille des Pericalinae. Revue de Zoologie et Botanique Africaines, 82 (1 - 2), 47 - 64."type="journal article"year="1970">Basilewsky, 1970</bibRefCitation>
by the pronotal angular lateral margins, corresponding to the maximum width instead of the rounded lateral margins of those three species. Moreover, the elytra spots drawing of the new species and the other are completely different.
<bibRefCitationid="EF894B52FFD73D7C6A3BFCD9FE1FFC3A"author="Basilewsky, P."box="[287,491,871,897]"pageId="15"pageNumber="376"pagination="47 - 64"refId="ref21622"refString="Basilewsky, P. (1970 a) Descriptions de Coleopteres Carabidae africains nouveaux de la sous-famille des Pericalinae. Revue de Zoologie et Botanique Africaines, 82 (1 - 2), 47 - 64."type="journal article"year="1970">Basilewsky, 1970</bibRefCitation>
<bibRefCitationid="EF894B52FFD73D7C6BB3FC6DFEB0FC56"author="Facchini, S."box="[151,324,979,1005]"pageId="15"pageNumber="376"pagination="39 - 52"refId="ref22440"refString="Facchini, S. (2012) Nuove specie di Pericalina Hope, 1838 della Regione Afrotropicale (Coleoptera, Carabidae, Lebiini). Giornale Italiano di Entomologia, 13 (57), 39 - 52."type="journal article"year="2012">Facchini, 2012</bibRefCitation>
<bibRefCitationid="EF894B52FFD73D7C69A3FC6DFCC0FC56"author="Facchini, S."box="[647,820,979,1005]"pageId="15"pageNumber="376"pagination="39 - 52"refId="ref22440"refString="Facchini, S. (2012) Nuove specie di Pericalina Hope, 1838 della Regione Afrotropicale (Coleoptera, Carabidae, Lebiini). Giornale Italiano di Entomologia, 13 (57), 39 - 52."type="journal article"year="2012">Facchini, 2012</bibRefCitation>
by the lateral margins of the pronotum which are not sinuated towards the base and the posterior obtuse angle largely rounded (slightly sharp in the latter species). Moreover, the three species differ from the shape and features of median lobe of aedeagus (see
<figureCitationid="13232A26FFD73D7C6FDCFB81FA9EFBE2"box="[1272,1386,1087,1113]"captionStart="FIGURE 2"captionStartId="22.[151,250,1954,1978]"captionTargetBox="[171,1409,500,1930]"captionTargetId="figure-108@22.[164,1423,488,1930]"captionTargetPageId="22"captionText="FIGURE 2. Aedeagus of: Arsinoe aguiari n. sp. (a), median lobe and right paramere (lateral views) (b), median lobe (dorsal view); Dontolobus bivari n. sp. (c), median lobe and right paramere (lateral views) (d), median lobe (dorsal view)."figureDoi="http://doi.org/10.5281/zenodo.10791752"httpUri="https://zenodo.org/record/10791752/files/figure.png"pageId="15"pageNumber="376">Figs 2c–d</figureCitation>
<bibRefCitationid="EF894B52FFD73D7C6A07FBDDFE39FBC6"author="Facchini, S."box="[291,461,1123,1149]"pageId="15"pageNumber="376"pagination="39 - 52"refId="ref22440"refString="Facchini, S. (2012) Nuove specie di Pericalina Hope, 1838 della Regione Afrotropicale (Coleoptera, Carabidae, Lebiini). Giornale Italiano di Entomologia, 13 (57), 39 - 52."type="journal article"year="2012">Facchini 2012</bibRefCitation>
<bibRefCitationid="EF894B52FFD73D7C682CFBDDFC40FBC6"author="Facchini, S."box="[776,948,1123,1149]"pageId="15"pageNumber="376"pagination="729 - 744"refId="ref22479"refString="Facchini, S. (2017) Cinque nuove specie di Pericalina Hope, 1838 della Regione Afrotropicale (Coleoptera, Carabidae, Lebiini). Giornale Italiano di Entomologia, 14 (62), 729 - 744."type="journal article"year="2017">Facchini, 2017</bibRefCitation>
is easily segregated from the new species by the bigger size, the darker colour of the head and pronotum and the anterior margin of labrum with small but distinct V-shaped median incision.
<bibRefCitationid="EF894B52FFD73D7C6830FB15FC35FB7E"author="Facchini, S."box="[788,961,1195,1221]"pageId="15"pageNumber="376"pagination="39 - 52"refId="ref22440"refString="Facchini, S. (2012) Nuove specie di Pericalina Hope, 1838 della Regione Afrotropicale (Coleoptera, Carabidae, Lebiini). Giornale Italiano di Entomologia, 13 (57), 39 - 52."type="journal article"year="2012">Facchini, 2012</bibRefCitation>
differs also from the new species by the darker colour of head and pronotum and the anterior margin of pronotum almost straight (distinctly arcuate in the new species). Moreover, these three species differ from the shape and features of median lobe of aedeagus also (see
<figureCitationid="13232A26FFD73D7C6BE8FAA9FEB5FA8A"box="[204,321,1303,1329]"captionStart="FIGURE 2"captionStartId="22.[151,250,1954,1978]"captionTargetBox="[171,1409,500,1930]"captionTargetId="figure-108@22.[164,1423,488,1930]"captionTargetPageId="22"captionText="FIGURE 2. Aedeagus of: Arsinoe aguiari n. sp. (a), median lobe and right paramere (lateral views) (b), median lobe (dorsal view); Dontolobus bivari n. sp. (c), median lobe and right paramere (lateral views) (d), median lobe (dorsal view)."figureDoi="http://doi.org/10.5281/zenodo.10791752"httpUri="https://zenodo.org/record/10791752/files/figure.png"pageId="15"pageNumber="376">Figs 2 c–d</figureCitation>
<bibRefCitationid="EF894B52FFD73D7C692EFAA9FD46FA8A"author="Facchini, S."box="[522,690,1303,1329]"pageId="15"pageNumber="376"pagination="729 - 744"refId="ref22479"refString="Facchini, S. (2017) Cinque nuove specie di Pericalina Hope, 1838 della Regione Afrotropicale (Coleoptera, Carabidae, Lebiini). Giornale Italiano di Entomologia, 14 (62), 729 - 744."type="journal article"year="2017">Facchini 2017</bibRefCitation>
). Finally, taking into account the general shape and some external morphological characters (e.g., general colour, yellowish elytral spots),
<bibRefCitationid="EF894B52FFD73D7C6AB2FAE1FDB3FAC2"author="Facchini, S."box="[406,583,1375,1401]"pageId="15"pageNumber="376"pagination="39 - 52"refId="ref22440"refString="Facchini, S. (2012) Nuove specie di Pericalina Hope, 1838 della Regione Afrotropicale (Coleoptera, Carabidae, Lebiini). Giornale Italiano di Entomologia, 13 (57), 39 - 52."type="journal article"year="2012">Facchini, 2012</bibRefCitation>
. However, the head and pronotum punctuation, the shape of clypeus and features connected with the median lobe of aedeagus (cf.
<figureCitationid="13232A26FFD73D7C6811FA3DFC5BFA26"box="[821,943,1411,1437]"captionStart="FIGURE 2"captionStartId="22.[151,250,1954,1978]"captionTargetBox="[171,1409,500,1930]"captionTargetId="figure-108@22.[164,1423,488,1930]"captionTargetPageId="22"captionText="FIGURE 2. Aedeagus of: Arsinoe aguiari n. sp. (a), median lobe and right paramere (lateral views) (b), median lobe (dorsal view); Dontolobus bivari n. sp. (c), median lobe and right paramere (lateral views) (d), median lobe (dorsal view)."figureDoi="http://doi.org/10.5281/zenodo.10791752"httpUri="https://zenodo.org/record/10791752/files/figure.png"pageId="15"pageNumber="376">Figs 2 c–d</figureCitation>
<bibRefCitationid="EF894B52FFD73D7C6F77FA3DFB08FA26"author="Facchini, S."box="[1107,1276,1411,1437]"pageId="15"pageNumber="376"pagination="729 - 744"refId="ref22479"refString="Facchini, S. (2017) Cinque nuove specie di Pericalina Hope, 1838 della Regione Afrotropicale (Coleoptera, Carabidae, Lebiini). Giornale Italiano di Entomologia, 14 (62), 729 - 744."type="journal article"year="2017">Facchini 2017</bibRefCitation>
), easily allow the separation of these two species.
