Revision of Bondariella Hustache & Bondar (Coleoptera: Curculionidae), with descriptions of the first species from the Amazon and notes on natural history
Author
Valente, Roberta De Melo
Author
Júnior, Mariano Brandão Cordeiro
text
Zootaxa
2015
4018
2
201
227
journal article
10.11646/zootaxa.4018.2.3
25ff35c4-bb29-44b8-a9cf-e19da81b8422
1175-5326
243295
065A82FD-3F0A-43DF-AEF4-168BDFBF866F
Bondariella rudicula
sp. nov.
(
Figs. 2
B, 8)
Male
. (
Figs. 2
B, 8).
Length of pronotum + elytra
:
1.9–2.2mm
(N=4).
Integument
(
Fig. 2
B) evenly light reddish brown throughout; covered by large yellowish spatulate scales.
Rostrum
(
Fig. 2
B) 0.7 times as long as pronotum; almost straight in lateral view, only slightly curved on the antennal insertion.
Antennae
: antennal insertion median (0.5); scape 1.9 times as long as article I of funicle.
Pronotum
1.2–1.3 times wider than long; disc with large and closely spaced punctures (distant by 0.7 times their own diameter); scales becoming smaller toward the disc; median line not evident; collar slightly evident, marked by darker strip of punctures.
Interprocoxal distance
slightly shorter (0.9 times) than procoxal diameter.
Femora
with discrete ventral comb of long golden suberect setae on basal 1/3, less evident on profemora.
Tibiae
lacking comb of setae.
Elytra
1.3–1.5 times longer than wide; 1.9–2.1 times as long as pronotum; sutural interval with only one row of scales; remaining intervals with 1–2 rows of scales on base, becoming variously a single row toward apex.
Abdominal tergites
(
Fig. 8
A): laterotergites subdivided into three smaller sclerites; median fissure incomplete, not reaching distal margin of tergite IV; tergite IV with only median spiculate patches on median sclerites; tergite VII with two pairs of distantly spaced plectra.
Ventrites
(
Fig. 8
B): I–II combined 1.7–1.9 times as long as III–IV combined; ventrite I 1.1–1.3 times as long as ventrite II; ventrite V trapezoidal, 2.5–2.6 times wider than long, flat, distal margin rounded, lacking tufts of scales.
Sternum VIII
(
Fig. 8
C): each sclerite subquadrate, acute in the anterolateral margins and reflexed dorsally, glabrous.
Spiculum gastrale
(
Fig. 8
D) 1.9 times as long as median lobe; stylus curved and moderately wide; furcal arms weakly sclerotized, short, narrowed, abruptly clavate to apex, symmetrical.
Tegmen
(
Fig. 8
E) weakly sclerotized, 2.0 times as long as median lobe; dorsal parameroid lobes connected medially on base, each parameroid lobe 0.7 times as long as median lobe, clothed with long setae on distal ½; ventral tegminal apodeme 0.9 times as long as median lobe, narrowed, elongate and reflexed dorsally.
Aedeagus
(
Fig. 8
F): median lobe short and wide, 1.9 times longer than wide; apex strongly acute; lateral margins narrow; sides ovate shape; endophallus sclerotized, clothed with sparse spinules on distal 1/2, lacking membranous bags; ostium evident medially; lacking orificial plates. Apodemes of aedeagus 1.7 times as long as median lobe, not sclerotized on basal 1/5.
Female
(
Fig. 2
B).
Length of pronotum + elytra
:
1.9–2.1mm
(N=5). Differs from male by generic characters of the rostrum, scrobe, antennal scape, interocular distance and ventrite II (cited above). In addition, by
rostrum
(
Fig. 2
B) straight and short, 0.5–0.6 times as long as pronotum;
scrobe
0.3–0.4 times as long as rostrum;
antennal insertion
basal (0.2–0.3 times);
pronotum
more convex;
collar
ventrally weakly marked by sulcate line;
femora
lacking comb of setae.
Body part ratios.
Length scape/length article I of funicle: 1.8 times; pronotum width/ length: 1.1–1.3 times; elytron length/width: 1.4–1.5 times; length elytron/length pronotum: 1.9–2.0 times; interprocoxal distance/procoxal diameter: 0.9 times; length ventrite I/length ventrite II: 1.3 times; length ventrites I+II/length ventrites III+IV: 2.3 times; ventrite V width/length: 2.4–2.5 times.
Etymology.
Named in reference to the distinct shape of the aedeagus, based on the Latin word
rudicula
meaning “wooden spoon” (
Brown 1956
).
Remarks.
Bondariella rudicula
sp. nov.
(
Fig. 2
B),
Bondariella crenata
sp. nov.
(
Fig. 2
C) and
B. ruschiana
(
Fig. 1
A) are distinguished from other species of the genus by the sutural interval of the elytra covered by only one row of scales but in
Bondariella rudicula
sp. nov.
and in
Bondariella crenata
sp. nov.
the integument is evenly light reddish brown throughout while in
B. ruschiana
the integument is variegate (see remarks of
B. ruschiana
). In
Bondariella torresi
(
Fig. 1
B) the integument is also evenly reddish brown throughout but the sutural interval of the elytron is covered by two rows of scales (see remarks of
B. torresi
).
Bondariella rudicula
sp. nov.
is very similar to
Bondariella crenata
sp. nov.
and both are easily distinguished from other species of
Bondariella
by a number of characters: integument evenly light reddish brown and covered by one row of scales on sutural interval of the elytron; rostrum (male) almost straight, (female) straight and very shorter than pronotum (0.5–0.6 times) (
Figs. 2
B–C); ventrite V (
Figs. 8
B, 9B) trapezoidal (2.4–2.6 times wider than long); abdominal tergites (
Fig. 3
F) with median fissure incomplete (not reaching distal margin of tergite IV); sternum VIII (
Figs. 8
C, 9C) subquadrate and glabrous; tegmen (
Figs. 8
E, 9E) with dorsal parameroid lobes connected medially on base; endophallus (
Figs. 8
F, 9F) sclerotized. However,
Bondariella rudicula
sp. nov.
can be distinguished from
Bondariella crenata
sp. nov.
by the pronotal disc with punctures more distantly spaced (distant by 0.7 times their own diameter) and with scales becoming very small medially, rostrum (male) slightly curved on the antennal insertion (
Fig. 2
B) and ventrite V (
Fig. 8
B) flat in male, not concave medially and lacking distal tufts of scales since
Bondariella crenata
sp. nov.
have pronotal disc with punctures closely spaced (distant by 0.4 times their own diameter) and scales subequal in length throughout (male), smaller on distal ½ (female), rostrum (male) slightly curved on base (
Fig. 2
C) and ventrite V (male) concave medially and bearing lateral tufts of scales (
Fig. 9
B). Besides,
Bondariella rudicula
sp. nov.
is distinguished from all other species of
Bondariella
by the ovate shape of the median lobe (
Fig. 8
F) with strongly acute apex and by the furcal arms of spiculum gastrale (
Fig. 8
D) strongly clavate to apex. Finally,
Bondariella rudicula
sp. nov.
and
Bondariella crenata
sp. nov.
are the only species of the genus recorded from the Amazon Forest and in association with
Euterpe
, but
Bondariella rudicula
sp. nov.
has only been collected on
E. oleracea
while
Bondariella crenata
sp. nov.
has only been collected on
E. longebracteata
.
Natural history.
Bondariella rudicula
sp. nov.
is recorded from the Amazon biome, from National Forest of Caxiuanã and Vitória do Xingu, both in Pará,
Brazil
. Adults were collected on flowers of
Euterpe oleracea
, locally known as “açaí”.
Bondariella rudicula
sp. nov.
is cited as
Bondariella
sp. n.
1 in
Valente (2000)
. In additional collections besides the
type
series,
Bondariella rudicula
sp. nov.
has only been recorded on flowers of
E. oleracea
(for details, see natural history of
Bondariella
).
Type
material.
Holotype
male deposited in
MPEG
: “
Brasil
–PA–Melgaço\ Caxiuanã–ECFPn\
16–VII–1995
\ R.M. Valente Col.[label 1], Em inflorescência de\
Euterpe oleracea
\ Amostra 0 1 [label 2]”.
Allotype
female deposited in
MPEG
: same as
holotype
but, “
24–II–1998
”.
Paratypes
: same as
holotype
but, “
24–II–1998
” (
MPEG
: 2♀), “
24–II–1998
, Amostra 02” (
UFPA
: 2♀); “
24–II–1998
, Amostra 03” (
MPEG
:
1♂
, dissected); “
Brasil
–PA–Vitória do Xingu\ Bom Jardim\ -51º45’01.5’’/-3º24’44.6’’\ Dist.[distance] na trilha
700m
\
09–IV– 2008
\ R.M. Valente Col.\ [label 1], Em inflorescência de\
Euterpe oleracea
\ Amostra 0 2 [label 2] ” (
UFPA
:
2♂
).