A review of the genus Alurnus Fabricius, 1775 (Coleoptera: Chrysomelidae: Cassidinae)
Author
Staines, C. L.
text
Insecta Mundi
2013
2013-03-08
2013
291
1
34
journal article
10.5281/zenodo.5175823
1942-1354
5175823
4DADB084-2794-448C-874B-CE53C71CAAC4
Alurnus lansbergei
Sallé 1849
(
Figure 14
)
Alurnus lansbergei
Sallé 1849: 432
[
holotype
:
Venezuela
, Caracas (MNHN)].
Fairmaire 1851: 349
(noted);
Baly 1858: 28
(redescription);
Chenu and Desmarest 1870: 341
(noted);
Gemminger and Harold 1876: 3605
(catalog);
Donckier 1899: 558
(catalog); Jacobson 1899: 251 (revision);
Heyne and Taschenberg 1908: 252
(noted);
Weise 1910: 103
(key), 1911a: 13 (catalog), 1911b: 19 (catalog);
Fischer 1935: 266
(revision);
Bryant 1942: 205
(faunal list);
Blackwelder 1946: 721
(faunal list);
Uhmann 1957a: 38
(catalog);
Descarpentries and Villiers 1959: 142
(types).
Alurnus landsbergi
Sallé.
Papp 1953: 32
(
lapsus calami
, catalog).
Alurnus lansbergei juncta
Pic 1934a: 155
[
type
:
Venezuela
, Caracas (MNHN)].
Fischer 1935: 267
(revision);
Blackwelder 1946: 721
(faunal list);
Descarpentries and Villiers 1959: 142
(
types
).
Alurnus lansbergei junctus
Pic.
Blackwelder 1946: 721
(faunal list).
Description
. Head, antennae, scutellum, legs, and venter (except apical third of last abdominal sternite) bluish-black; pronotum reddish with apical and basal margins black; elytra yellow with black sutural vitta, black submarginal vitta, black oblique humeral vitta and black macula near end of humeral vitta. Head: transverse; rugose; vertex punctate, with deep medial sulcus, depressed behind eyes and antennae, with row of white setae on inner margin of each eye; front and clypeus punctate. Antenna: antennomere 1 subglobose; 2 transverse, 0.5x length of 1; 3-10 cylindrical; 3 length 2x length of 1 and 2 combined; 4- 5 subequal in length, combined subequal to 3; 6-10 decreasing in length; 11 longer than 10, rounded at apex; 1-11 punctate with a white seta in each puncture. Pronotum: lateral margin evenly arcuate from base to apex; anterior angle rounded; posterior angle acute; surface strongly, roughly punctate, transversely rugose basally; strong basal impression present medially; disc glabrous, with scattered setae present laterally; pronotal length
4-5 mm
; pronotal width
5-6 mm
. Scutellum: cordate; punctate, transversely rugose. Elytron: lateral and apical margins smooth, slightly explanate; sutural angle with small tooth; humerus produced, obtuse; regularly, finely punctate; with two weakly produced costae - costa 1 beginning at base and sinuate on apical quarter, costa 2 beginning at humerus and obsolete after middle; elytral length
16-19 mm
; elytral width
9-10 mm
. Leg: trochanter, femur, and tibia punctate, each puncture with white seta; tibia with fringe of setae on inner apical margin, slightly constricted at apex. Venter: pro-, meso-, and metasterna punctate, each puncture with seta medially, punctures glabrous laterally; abdominal sterna punctate, each puncture with pale seta. Total length:
20-24 mm
.
Larval host plant.
Unknown.
Distribution
.
Brazil
,
Colombia
,
Venezuela
.
Specimens examined
.
No data (
USNM
, 3;
PSUC 1
; NMW, 1;
ZIN
, 1).
Brazil
.
No
further data (
MHMB
, 1).
Colombia
.
No
further data (
USNM
, 1;
NMW
, 2;
PSUC
, 1).
Venezuela
.
No
further data (
BMNH
, 9;
PSUC
, 2)
;
1858 (
NMW
, 1).
Aragua
:
Rancho Grande
nr.
Maracay
,
1.vii.1946
(
AMNH
, 1),
9.vii.1946
(
AMNH
, 1). Total: 25
.