Dysmerus basalis Casey, 2009

Thomas, Michael C., 2009, A review of the genus Dysmerus Casey (Coleoptera: Laemophloeidae), Insecta Mundi 2009 (74), pp. 1-30 : 6-7

Dysmerus basalis Casey

Fig. 1-7, 31, Map 1

Dysmerus basalis Casey 1884: 97

Diagnosis. Individuals can be distinguished from other members of the genus by a combination of the following character states: head without median longitudinal carina ( Fig. 7 ); distinct dorsal pubescence; eyes pyramidal in shape ( Fig. 2 ). In addition, the male scape is relatively simple, without dorsal or ventral projections ( Fig. 2-4 ), and, in large males, strongly produced, bifurcate anterolateral extensions of the frons present ( Fig. 7 ). Male genitalia as in Fig. 31 .

Distribution. U.S.A. (Florida north to New York and west to Oklahoma), Bahamas (Andros Island) (Map 1).

Specimens examined: 118 from: BAHAMAS: Andros Island: Forfar Field Station ; U.S.A.: Alabama: Rocky Ridge, Monroe Co.: Haines Island Park ; Shelby Co.: Vestavia ; Arkansas: Lafayette Co.: Garland, FS Camp Clearfork ; Pulaski Co.: Little Rock ; District of Columbia: Washington; Florida: Alachua Co.: Haw Creek , Gainesville ; Dade Co.: Biscayne, Camp Mahachee ; Highlands Co.: Highlands Hammock State Park ; Jackson Co.: Mariana ; Monroe Co.: Key Largo, Key West ; Kentucky: Knox Co.: Barbourville ; Louisiana: East Baton Rouge Co.: Baton Rouge ; Maryland: Harford Co.: Gunpowder ; Jackson Co.: Medora, Starve Hollow Lk., Montgomery Co. : Plummers Is .; Mississippi: Okibbeha Co.: 3mi. W Adaton ; Winston Co.: Tombigbee National Forest ; New York: Tomkins Co.: Ithaca ; North Carolina: Polk Co.: Tryon ; Oklahoma: Grady Co.: Tuttle ; Pennsylvania: Dauphin Co.: Hummelstown ; Virginia: Arlington Co.: Rosslyn ; West Virginia: Wood Co.: Kanahwa Station . ( CDFA, FSCA, MSUC, USNM)

Habits and habitats: See discussion under Life History above.

Figures

Figure 7-9. Head and pronotum of males of Dysmerus: 7) D. basalis Casey; 8) D. boliviensis Thomas, n. sp.; 9) D. caseyi (Grouvelle).

Figure 2-5. Dysmerus basalis Casey, male: 2) Head, dorsal view; 3) Head, lateral oblique view; 4) Head, frontal oblique view; 5) Ventral view, head, pro-, meso-, and metathorax.

Figure 31-34. Male genitalia of species of Dysmerus: 31) D. basalis Casey; 32) D. boliviensis Thomas, n. sp.; 33) D. caseyi Thomas, n. sp., 34) D. curvicornis Thomas, n. sp.