Exema Lacordaire, 1848 Fig. 30

Exema Lacordaire, 1848: 844; Jacoby 1908: 278; Karren 1966: 647; Chamorro-Lacayo and Konstantinov 2009: 74.

Type species.

Chlamys intricata Kollar, 1824, by subsequent designation.

Diagnosis.

Small species (2-3.5 mm length), cylindrical with widest near shoulders; antenna serrate beyond antennomere V, antennomeres III-IV slightly widened, but not dilated distally; pronotum with various bumps and short ridges, posterior pronotal lobe concave, usually without well differentiated notch.

Distribution.

Present in Nearctic, Neotropical, and Oriental regions ( Monrós 1951c; Karren 1966). Includes 26 species, 10 represented in the Neotropics.

Remarks.

Gressitt and Kimoto (1961) synonymized this genus with Chlamisus, yet, this decision has been ignored and is considered to be a valid genus (Karren 1966, 1972; Seeno and Wilcox 1982; Riley et al., 2003). The relationship among Fulcidacini genera remains to be studied.

Argentinian species checklist.

1. Exema carinipennis Monrós, 1951c (COR, MNS).

2. Exema morio (Kollar, 1824) (MNS).

= Chlamys dubia Kollar, 1824.

= Chlamys globosa Klug, 1824 (nec Kollar, 1824). Host plant: Bambuseae ( Monrós 1951c).

3. Exema serjaniae Monrós, 1951c (CHA, FOR, SAL, TUC). Host plant: Sapindaceae: Serjania sp. (Jolivet 1978).

4. Exema variopicta Monrós, 1951c (COR, JUY, MNS, SAL, SLS). Host plant: Verbenaceae: Lantana hypoleuca and Lipia salvifolia (Bokermann 1963).