Species of Bembidiina (Coleoptera: Carabidae: Bembidiini) from the sandy beaches of Rio Grande Do Sul, Brazil
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Trab n22 9/27/01 5:42 PM Page 249
ISSN 0373-5680 Rev. Soc. Entomol. Argent. 60 (1-4): 249-254, 2001
Species of Bembidiina (Coleoptera: Carabidae: Bembidiini)
from the sandy beaches of Rio Grande Do Sul, Brazil
ROIG–JUÑENT, Sergio* and Norton M. GIANUCA**
* IADIZA, C.C. 507, 5500 Mendoza, Argentina; e-mail: saroig@lab.cricyt.edu.ar
** Dep. de Oceanografia, Fundação Universidade Federal do Rio Grande, FURG, C. Postal 474,
Rio Grande do Sul, RS 96201-900, Brazil; e-mail: ngianuca@mikrus.com.br
■ ABSTRACT. Species of Bembidiina (Coleoptera: Carabidae: Bembidiini) are
recorded in Brazil for the first time in this contribution. Two species of Bem-
bidiina have been found in the sandy beaches of southern Brazil, Peryphus
(Chilioperyphus) cassinensis sp. nov. and Notaphus (Notaphus) laticolle
(Brullé). These species were collected only in the supratidal zone of the bea-
ches. Peryphus cassinensis n. sp. within the subgenus Chilioperyphus Jeannel,
together with the two other known species of this subgenus. The only specimen
examined of Notaphus Stephens belongs to the widespread species N. laticolle.
KEY WORDS. Carabidae. Bembidiina. Peryphus cassinensis. Notaphus laticolle.
Brazil.
■ RESUMEN. Especies de Bembidiina (Coleoptera: Carabidae: Bembidiini)
de las playas de Rio Grande do Sul, Brasil. En esta contribución se da a co-
nocer por primera vez la presencia en Brasil de dos especies de Bembidiina
(Coleoptera: Carabidae: Bembidiini). Las dos especies de Bembidiina encon-
tradas en las playas arenosas del sur de Brasil son Peryphus (Chilioperyphus)
cassinensis sp. nov. y Notaphus (Notaphus) laticolle (Brullé). Estas especies
fueron recolectadas sólo en el hábitat supralitoral de las playas. Peryphus
cassinensis sp. nov. es ubicada en el subgénero Chilioperyphus Jeannel, que
posee dos especies conocidas. El único especimen de Notaphus Stephens re-
colectado pertenece a la especie ampliamente distribuida: N. laticolle.
PALABRAS CLAVE. Carabidae. Bembidiina. Peryphus cassinensis. Notaphus
laticolle. Brasil.
INTRODUCTION a thousand species (including most members of
the subtribe Bembidiina) and it is divided in se-
Few carabid beetles of the tribe Bembidiini are veral subgenera or species groups. In contrast,
known for Brazil. Until now all of them belonged European authors follow Jeannel’s criteria
to the subtribes Tachyna (Erwin, 1974a, b, 1975), (Jeannel, 1941) and have split Bembidion in nu-
Xystosomina (Erwin, 1973), and Anillina (Cicchino merous genera, arranged in six natural groups,
& Roig–Juñent, in press). This is the first record of called phylogenetic series. In his revision of
the Bembidiina in Brazil. Southern South American species, Jeannel
There are two positions regarding the syste- (1962) recognized two of these groups of gene-
matics of Bembidiina. North American authors, ra, Notaphus and Peryphus, and added a new
like Maddison (1993), consider that this subtribe one, the Plataphus group.
includes five genera (Lindroth, 1963; Erwin & In the present contribution we cite two species
Kavanaugh, 1981). One of them, Bembidion La- of Bembidiina for Brazil that inhabit the suprali-
treille, is a large genus probably with more than toral zone of southern beaches of Rio Grande do
249Trab n22 9/27/01 5:42 PM Page 250
Rev. Soc. Entomol. Argent. 60 (1-4), 2001
Sul. These species are placed in different genera,
following the criterion of European authors.
MATERIAL AND METHODS
Methods, descriptive terms, and criteria for taxo-
nomic range follow Jeannel (1962) and Erwin &
Kavanaugh (1981). Illustrations were made with
camera lucida adapted to a compound microscope.
The materials studied are housed at the Depar-
tamento de Oceanografía of the Fundação Uni-
versidade Federal do Rio Grande (FURG), Rio
Grande, Río Grande do Sul, Brazil and Instituto
Argentino de Investigaciones de las Zonas Aridas
(IADIZA), Mendoza, Argentina.
RESULTS
Peryphus (Chilioperyphus) cassinensis sp. nov
(Figs. 1-3)
Holotype. Male, 17 km south of Cassino Beach,
Rio Grande do Sul, Brazil. 2-X-1994, N. M. Gia-
nuca col. (FURG)
Paratypes. Male, 17 km south of Cassino Beach,
Rio Grande do Sul, Brazil, 2-X-1994, N.M. Gianu-
ca col. (IADIZA); male, 18 km south of Cassino
1
Beach, Rio Grande do Sul, Brazil, 1-XI-1993, N. M.
Gianuca col. (IADIZA); female, 17 km south of Cas-
sino Beach, Rio Grande do Sul, Brazil, 1-X-1994,
N.M. Gianuca col. (FURG). Fig. 1. Habitus of Peryphus cassinensis n. sp. Scale bar
Etymology. The species name refers to the ex- represents 1 mm.
tensive beach of Cassino, where the specimens
were collected. Head. Eye size moderate, longer than wide.
Diagnosis. Head with frons and vertex impunc- Head smooth, impunctate, and convex dorsally,
tate, frontal furrows parallel, not extended towards not constricted posterior to eyes; frontal furrows
clypeus; eye longer than wide, size moderate; ter- shallow and broad, parallel, not extended ante-
minal palpomere of maxillary palpi less than 0.20 riorly onto clypeus; dorsal paraorbital groove pre-
times the length of penultime palpomere; pronotum sent, with two supraorbital setiferous punctures;
narrow and constricted basally; lateral margin si- antennae long and slender, antennomeres subrec-
nuate basally; posterior angles notched; elytra uni- tangular, scape with one anteroapical seta, anten-
formly yellowish (without maculae), humerous nomere 2 with apical ring of setae, apical half of
rounded; eight striae, punctuated, intervals smooth, antennomeres 3-4 with dense pubescence; 5 to
impunctuate, striae 3 with two foveate setiferous 11 covered with dense, short setae in addition to
punctures; stria 8 markedly costate in apical half; apical ring; mandibles prorrect, long; maxillary
hindwings present; abdominal sterna each with one and labial palpi long, except terminal palpomeres
pair of paramedial setae in both sexes. very short, less than 0.2 times length of penulti-
Description. Size: 4.8 mm. Habitus (Fig. 1) with mate palpomere; mentum with a rounded tooth;
head large, pronotum narrow, and elytra proportio- glossal sclerite with two setae; paraglossae long.
naly long. Color: body and appendages yellow pale. Prothorax. Pronotum maximum width at middle;
250Trab n22 9/27/01 5:42 PM Page 251
ROIG-JUÑENT, S. and N. M. GIANUCA. Species of Bembidiina (Coleoptera)
2
3
Figs. 2-3. Peryphus cassinensis sp. nov. 2, median lobe left lateral view; 3, left paramere. (Scale bar represents 0.5 mm).
disc moderately convex, constricted basally; Habitat. Peryphus cassinensis sp. nov. dig its
basal margin straight; apical angles right; ante- burrows on the supratidal zone of the extensive,
rior transverse impression absent, but with a gently sloping, fine grained, oceanic beaches of
row of bead rufotestaceous; median longitudi- Rio Grande do Sul State, Brazil. The supratidal
nal impression impressed; laterobasal foveae zone, or backshore, is the upper part of the beach
smooth, shallow; one midlateral setiferous in front of the coastal dunes, a zone which is only
puncture. Prosternal intercoxal process margi- flooded by seawater during extreme storm tide
nate. Pterothorax. Elytra moderately flat, scute- events. A few insects have adapted to survive the-
llar stria with five or six small punctures; striae se immersion periods, while others actively avoid
with small punctures well impressed on apical submersion through temporary displacements to-
region, decreasing in size toward apex. Striae ward even upper parts of the beach such as the
slightly grooved throughout. Recurrent stria primary dunes. Although the Bembidiina distribu-
confluent with the fifth stria. Subapical plyca tion covers the dry areas of the supratidal zone,
present; intervals flat or very slightly convex; they are more conspicuous on the borders of
umbilicate series of setiferous punctures on stria freshwater streams that drain marshes and ponds
8. Legs. Protarsomere 1 expanded and with located behind the coastal dunes. They appear to
small pads of adhesive hairs ventrally in males; feed upon larvae and adults of other fossorial spe-
all male protarsomeres dorsally sulcate. Meso cies, like the abundant rove beetles (Staphylinidae)
and metatarsomeres long and slender. Female Bledius bonariensis Bernhauer and Bledius micro-
tarsomeres long and slender. Male genitalia cephalus Fauvel, the heterocerid Efflagitatus freudei
(Fig. 2). Median lobe moderately narrow, with Pacheco, the hydrophilid Paracymus rufocinctus
apex spatulate, and basal bulb with most right Bruch and the pigmy mole cricket (Tridactylidae)
wall lacking; ventral margin concave in lateral Neotridactylus carbonelli Günther. Another pre-
view; internal sac without brush sclerite, flage- dator, competing for the same food that Periphus
llum long, not extended beyond the basal bulb cassinensis sp. nov., is the carabid Schizogenius
(Fig. 2). Left paramere (Fig. 3) stiliform, with three costiceps Steinheil. Together, all these species
apical setae. constitute a sort of burrowing assemblage charac-
Distribution. The specimens recorded are only teristic of that zone of the beach (Gianuca, 1994;
from the type locality (Fig. 4). 1997; Vanin et al., 1995).
251Trab n22 9/27/01 5:42 PM Page 252
Rev. Soc. Entomol. Argent. 60 (1-4), 2001
Rio Grande
Cassino
Río Grande
Do Sul
Taim
Lagoa
Uruguay Mirim
Chui
Notaphus (N.) laticolle
Peryphus (C.) cassinensis
Fig. 4. Distribution of Peryphus cassinensis sp. nov. and Notaphus laticolle in Brazil.
Relationships with other Bembidiina. Peryphus sen–Haarup) and Peryphus orregoi (Germain)
cassinensis sp. nov. is included in the same group of that were redescribed and illustrated by Jeannel
genera (phylogenetic series sensu Jeannel, 1962) (1962).
that include the genus Peryphus Stephens because
it lacks angulate humeral margin, has setiferous
punctures of elytra on stria 3, and basal bulb of me- Key to identify Peryphus
dian lobe without most right wall. Whithin this (Chilioperyphus) species
group of genera we included this new species in the
genus Peryphus because it has striae represented by 1. Prothorax slightly constricted basally; posterior
grooves and punctures, and pronotum with basola- angles right; black species, elytra with a post–
teral sinuation and constricted basally. medial macula; wingless ...............................
The southamerican species of Peryphus were .................. Peryphus (Chilioperyphus) orregoi
arranged by Jeannel into three subgenera, all of 1’. Prothorax constricted basally; posterior angles
them endemic from southern South America. right or notched; redish or yellowish species;
Based on characters of the internal sac (without elytra with or without a postmedial macula;
brush sclerite and a long flagellum not extended hindwings present ........................................ 2
beyond the basal bulb), Peryphus cassinensis sp. 2. Prothorax with posterior angles notched; ye-
nov. is considered as a member of the subgenus llowish species; elytra without a postmedial
Chilioperyphus Jeannel. This subgenus has only macula ...........................................................
two known species, Peryphus mendocinus (Jen- ............ Peryphus (Chilioperyphus) cassinensis
252Trab n22 9/27/01 5:42 PM Page 253
ROIG-JUÑENT, S. and N. M. GIANUCA. Species of Bembidiina (Coleoptera)
2´. Prothorax with posterior angles right; redish
species; elytra with a postmedial macula
.......... Peryphus (Chilioperyphus) mendocinus
Notaphus (Notaphus) laticolle (Brullé, 1843)
(Fig. 5)
Bembidium laticolle Brullé, 1843: 45 (posterior
homonim of Bembidium laticolle Duftschmidt,
1812).
Bembidium servillei Solier, 1849: 174.
Bembidium montevideanus Gemminger and Ha-
rold, 1868: 416.
Bembidium lacustre Germain, 1905: 601.
Bembidium unicolor Germain, 1905: 612.
Bembidium uliginosum Csiki, 1928: 163.
Notaphus servillei: Jeannel, 1962: 625.
Notaphus (Notaphus) laticolle: Nègre, 1973: 296
Remarks. The specimen found in Brazil differs
in coloration from the other studied specimens of
N. laticolle from Argentina and Chile, which ex-
hibit a much darker background colour. Besides
this difference the coloration pattern is the same
(Fig. 5) as well as other morphological characters.
Distribution and habitat. Notaphus laticolle
is a widespread species that occurs in central 5
Chile, northern Patagonia, central Argentina,
and Uruguay. Specimens of N. laticolle are
found in different kinds of habitats, even ha-
lophytic ones. The material from Brazil was
found 73 km south of Cassino Beach (Fig. 4), Rio
Grande do Sul, Brazil (18-I-1985, N. M. Gianuca Fig. 5. Habitus of Notaphus laticolle. (Scale bar repre-
col.) (IADIZA). This supralitoral habitat is the same sents 1 mm).
inhabited by Peryphus cassinensis sp. nov., and
both species dig their burrows on the supratidal méridionale. 2(2): 17-56. París.
zone, as was describe above. CICCHINO A. & S. ROIG-JUÑENT. In press. A new ge-
nus of Anillina from Argentina (Coleoptera:
Bembidiini). Coleopteris Bulletin
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& S Schenkling (eds.) Coleopterorum Catalogus:
To Nelly Horak (IADIZA, CRICYT) for transla- Pars 97, Mormolycinae, Harpalina I, págs. 1-
ting the manuscript. To the CONICET (Argentina) 226. Junk. Berlin y ‘s Gravenhage.
for the continuous support. DUFTSCHMID, C. E. 1812. Fauna Austriaca. Vol 2:
311 pp. Linz, Leipzig.
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vision of the Neotropical genus Xystosomus
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In: d’Orbigny, A. (ed.) Voyage dans l’Amérique (Coleoptera: Carabidae: Bembidiini) Supple-
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