Lathropus Erichson

Thomas, Michael C., 2010, A review of Lathropus Erichson (Coleoptera: Laemophloeidae) in Florida and the West Indies, excluding the Lesser Antilles, Insecta Mundi 2010 (120), pp. 1-21 : 19

Key to the adults of Lathropus Erichson in Florida and the West Indies, excluding the Lesser Antilles

1. Elytra with a color pattern ( Fig. 1-4 ) .......................................................................................... 5

— Elytra without a color pattern ..................................................................................................... 2

2(1). Sublateral line of pronotum carinate and complete ( Fig.21-22 ); color usually testaceous; occurring in Florida and the West Indies ................................................................................................. 3

— Sublateral line of pronotum obsolescent or broken ( Fig. 25-26 ); color dark brown to piceous; not known from the West Indies .................................................................................................... 4

3(2). Sublateral line more strongly carinate ( Fig.21 ); pronotum not constricted at base; armature of internal sac as in Fig. 39 . Jamaica...................................... L. jamaicensis Thomas , n. sp.

— Sublateral line less strongly carinate ( Fig. 22 ); pronotum slightly constricted at base; armature of internal sac as in Fig. 40 . Florida and the West Indies ............................................................. .................................................................................... L. rhabdophloeoides Thomas , n. sp .

4(2). Pronotum more or less evenly rounded laterally, widest at about middle ( Fig. 25 ); pronotal sculpture even over entire surface ( Fig. 28 ); armature of internal sac as in Fig. 37 , 42 . eastern U.S. including Florida ..................................................................................... L. robustulus Casey

— Pronotum distinctly constricted basally, widest before middle ( Fig. 26 ); pronotum with an area of obviously different sculpture laterally ( Fig. 29 ); armature of internal sac as in Fig. 36 . eastern U.S. including Florida ................................................................................. L. vernalis Casey

5(1). Elytral color pattern consisting of irregular dark blotches ( Fig. 3 ); ground color brownish yellow; armature of internal sac as in Fig. 35 . Florida, West Indies .................... L. pictus Schwarz

— Elytral color pattern consisting of transverse bands; ground color orange ................................ 6

6(5). Elytra pale with transverse dark bands at base, middle and apex ( Fig. 4 ); armature of internal sac as in Fig. 38 . Bahamas................................................ L. chickcharnie Thomas , n. sp.

— Elytra dark with a pale transverse band at basal 1/3 ( Fig. 1-2 ); armature of internal sac as in Fig. 34 . Central America, Cayman Islands............................................... L. parvulus Grouvelle

Figures

Figure 1-4. Habitus, Lathropus spp. 1) L. parvulus Grouvelle (Panama). 2) L. parvulus Grouvelle (Cayman Islands). 3) L. pictus Schwarz. 4) L. chickcharnie Thomas, n. sp.

Figure 19-24. Pronotum, Lathropus spp. 19) L. parvulus Grouvelle (Panama). 20) L. parvulus Grouvelle (Cayman Islands). 21) L. jamaicensis Thomas, n. sp. 22) L. rhabdophloeoides Thomas, n. sp. 23) L. pictus Schwarz. 24) L. chickcharnie Thomas, n. sp.

Figure 25-26. Pronotum, Lathropus spp. 25) L. robustulus Casey. 26) L. vernalis Casey.

Figure 38-40. Sclerotization of internal sac, Lathropus spp. 38) L. chickcharnie Thomas, n. sp. 39) L. jamaicensis.Thomas, n. sp. 40) L. rhabdophloeoides Thomas, n. sp.

Figure 27-32. Pronotal detail, Lathropus spp. 27) L. parvulus Grouvelle (Panama). 28) L. robustulus Casey. 29) L. vernalis Casey. 30) L. chickcharnie Thomas, n. sp. 31) L. rhabdophloeoides Thomas, n. sp. 32) L. jamaicensis Thomas, n. sp.

Figure 34-37. Sclerotization of internal sac, Lathropus spp. 34) L. parvulus Grouvelle. 35) L. pictus Schwarz. 36) L. vernalis Casey. 37) L. robustulus Casey.

Figure 41-45. Lathropus robustulus Casey, male and female genitalia. 41) Aedeagus. 42) Sclerotization of internal sac (enlarged). 43) Tegmen. 44) Female genitalia. 45) Spermatheca (enlarged).