Trichodes calamistratus Corporaal

Trichodes calamistratus Corporaal (Plate 1; Figs. 6–10)

Trichodes calamistratus Corporaal, 1948: 650, fig.1.

Type material

Holotype. ɗ Ogaden AOI; Uarandab; Lomi V.1936 (ZMA)

Description

Length: 10 mm (1 specimen)

Head including eyes broader than apex of pronotum; black­blue; very finely punctate; with long and short dark pubescence; antennae and club red.

AFRICA

10

AralSea

North

Atlantic

BlackSea

Caspian

Sea

MediterraneanSea

Red

Sea

LakeChad

LakeTurkana

Lake

Albert

Lake

Victoria

Indian

Ocean

LakeTanganyika

LakeNyasa

South

Lake

Atlantic

Kariba

0

1000

Km

0

1000

Mi

.

ProducedbytheCartographicResearchLab

UniversityofAlabama

tion.

Pronotum longer than broad (length:width ratio 1.16); lateral margin sinuate; densely punctate, base obscurely punctate; black­blue; dark pubescence with long hairs.

Elytral ground color orange­brown; with three dark spots: the apical spot is connected along the suture with the securiform spot behind the middle, the anterior spots are isolated. Elytra two and a half times as long as broad (length:width ratio 2.5); punctation irregular, dense, and obscured towards apex; diameter of punctures irregularly, mostly larger than intervals (especially within the dark spots), some punctures smaller than intervals; suture slightly protruding; sutural angle tapering apically, with tooth; with sparse dark to pale pubescence.

Legs black­blue, tarsi brown; tibiae strongly curved, with long, white pubescence. Ventral surface black­blue, thorax glossy greenish; with white pubescence. Aedeagus, pygidium and male sternum VIII, see figs. 6–9.

Distribution

See fig. 10.

Collecting period

May.

Trichodes gemma Ancey (Plate 1; Figs. 11–15)

Trichodes gemma Ancey, 1881: 461.

Type

Holotype in MNHN, but not found.

Specimens examined

1 specimen, Bez. Tabora; Tehurter. (ZMB); 1 specimen, D. O. Afrika; Nyembe Bulungwa; Hammerstein S.; 1914 (DEI); 1 specimen, II.10; leg. Holtz (DEI); 2 specimens, Tanzania IV.92; Iringa Mts.; Werner leg. (CRG)

Description

Length: 9.5–10 mm (5 specimens)

Head including eyes almost as broad as apex of pronotum or slightly broader; green; densely punctate, with long, dark and short, white pubescence; antennae red, with black club.

Pronotum longer than broad (length:width ratio 1.12); green; lateral margin circular, constricted towards base; densely and deeply punctate; with long, dark and pale pubescence.

Elytral ground color orange to red, reduced to three spots, all reaching the lateral margin, but not the suture; remaining color of fasciae green or greenishblue.

Elytra almost two and a half times as long as broad (length:width ratio 2.44); densely punctate, more or less in rows; diameter of punctures within the spots of ground color smaller than intervals or almost equal, otherwise diameter of punctures larger than intervals; sutural angle slightly emarginate to sub­bevelled, and with tooth; sparse pubescence composed of long, dark hairs.

Legs greenish­blue; hind tibiae almost straight; pubescence consisting of long, white hairs and isolated, long, black hairs.

Ventral surface green to blue, with long, white hairs; pubescence of abdomen more sparse than thorax.

Aedeagus, pygidium and male sternum VIII, see figs. 11–14.

AFRICA

15

AralSea

North

Atlantic

BlackSea

Caspian

Sea

MediterraneanSea

Red

Sea

LakeChad

LakeTurkana

Lake

Albert

Lake

Victoria

Indian

Ocean

LakeTanganyika

LakeNyasa

South

Lake

Atlantic

Kariba

0

1000

Km

1000

Mi

.

0

ProducedbytheCartographicResearchLab

U

i

it

fAl

b

tion

Distribution

See fig. 15.

Collecting period

April, May.