Hydrometra

Martínez, David Camilo, Galindo-Malagón, Ximena Alejandra, Molano, Fredy & Moreira, Felipe Ferraz Figueiredo, 2019, Descriptions, records, and key to the Hydrometra Latreille, 1796 (Hemiptera: Heteroptera: Hydrometridae) from Colombia, Zootaxa 4577 (1), pp. 51-72: 68

publication ID

https://doi.org/10.11646/zootaxa.4577.1.3

publication LSID

lsid:zoobank.org:pub:B9C303DF-E585-46BF-8C29-6CA6FE968B4C

persistent identifier

http://treatment.plazi.org/id/366387E2-D901-010B-B7E0-3AF545E97419

treatment provided by

Plazi

scientific name

Hydrometra
status

 

Key to the species of Hydrometra  from Colombia

1. Anterior margin of clypeus excavated ( Fig. 9cView FIGURE 9); all acetabula without circular pits................... Hydrometra comata 

-. Anterior margin of clypeus not excavated ( Figs. 1bView FIGURE 1, 2bView FIGURE 2, 3bView FIGURE 3, 4bView FIGURE 4, 5bView FIGURE 5, 6bView FIGURE 6, 9View FIGURE 9 a–b, 9d–e); at least pro- and mesoacetabula with circular pits ( Figs. 1dView FIGURE 1, 2dView FIGURE 2, 3dView FIGURE 3, 4dView FIGURE 4, 5cView FIGURE 5, 6dView FIGURE 6)....................................................................... 2

2. Pro- and mesoacetabula with at most 7 circular pits each ( Figs. 5cView FIGURE 5, 6dView FIGURE 6)........................................... 3

-. Pro- and mesoacetabula with at least 13 circular pits each ( Figs. 1dView FIGURE 1, 2dView FIGURE 2, 3dView FIGURE 3, 4dView FIGURE 4).................................... 5

3. Metacetabulum without circular pits; male abdominal sternum VII with a pair of spinose projections anteriorly ( Figs. 10View FIGURE 10 a–b).................................................................................... Hydrometra argentina 

-. Metacetabulum with circular pits ( Fig. 5cView FIGURE 5, Fig. 6dView FIGURE 6); male abdominal sternum VII with brushes, setae, depression or subconical processes............................................................................................ 4

4. Clypeus broad, with anterior margin rounded ( Fig. 6bView FIGURE 6); pro- and mesoacetabula with 2–5 circular pits each ( Fig. 6dView FIGURE 6); metacetabulum with 2–6 circular pits ( Fig. 6dView FIGURE 6); male abdominal sternum VII with several shining long setae ( Figs. 6View FIGURE 6 e–f).............................................................................................. Hydrometra adnexa 

-. Clypeus conate, with anterior margin projected centrally ( Fig. 5bView FIGURE 5); pro- and mesoacetabula with 5–7 circular pits each ( Fig. 5cView FIGURE 5); metacetabulum with 10–13 circular pits ( Fig. 5cView FIGURE 5); male abdominal sternum VII with a very large oval depression on each side of the midline, the depressions fringed with setae which are longer and stiffer on the anterior margin ( Figs. 10View FIGURE 10 g–h)......................................................................................... Hydrometra williamsi 

5. Clypeus very broad, with sides parallel ( Fig. 9eView FIGURE 9); male abdominal sternum VII with a pair of short, mammilose projections near anterior margin ( Figs. 10View FIGURE 10 e–f); male abdominal segment VIII with a tubercle covered by setae on each side ( Figs. 10View FIGURE 10 e–f)… Hydrometra olallai 

-. Clypeus narrower, with sides rounded or converging anteriorly ( Figs. 1bView FIGURE 1, 2bView FIGURE 2, 3bView FIGURE 3, 4bView FIGURE 4, 9b, 9dView FIGURE 9); male abdominal sternum VII with a pair of brushes of setae ( Figs. 1View FIGURE 1 e–f, 10c–d, 10i–j) or a pair of subconical processes ( Figs. 3View FIGURE 3 e–f, 4e–f); male abdominal segment VIII with or without lateral tubercles.................................................................. 6

6. Clypeus with anterior margin pointed ( Figs. 9b, 9dView FIGURE 9). General color always brown................................... 7

-. Clypeus with anterior margin rounded ( Figs. 1bView FIGURE 1, 2bView FIGURE 2, 3bView FIGURE 3, 4bView FIGURE 4). General color yellow, yellowish brown or brown............ 8

7. Clypeus with an angular median projection anteriorly ( Fig. 9dView FIGURE 9); male abdominal sternum VII with brushes located on the posterior half of the segment ( Figs. 10View FIGURE 10 i–j).................................................... Hydrometra guianana 

-. Clypeus with a blunt median projection anteriorly ( Fig. 9bView FIGURE 9); male abdominal sternum VII with brushes located on the middle of the segment ( Figs. 10View FIGURE 10 c–d)............................................................. Hydrometra caraiba 

8. General color yellow or yellowish brown ( Figs. 1View FIGURE 1, 2View FIGURE 2, 3View FIGURE 3); dorsal interocular groove present............................ 9

-. General color dark brown ( Fig. 4View FIGURE 4); dorsal interocular groove absent; male abdominal sternum VII with a pair of subconical processes ( Figs. 4View FIGURE 4 e–f). Female unknown.......................................... Hydrometra quimbaya  sp. nov.

9. General color yellow ( Fig. 3View FIGURE 3); clypeus broader, with lateral and posterior margins rounded ( Fig. 3bView FIGURE 3); dorsal and ventral interocular groove shallow; male abdominal sternite VII with a pair of subconical processes ( Figs. 3View FIGURE 3 e–f). Female unknown...................................................................................... Hydrometra tayrona  sp. nov.

-. General color yellowish brown ( Figs. 1View FIGURE 1, 2View FIGURE 2); clypeus narrower, with lateral margins straight ( Figs. 1bView FIGURE 1, 2bView FIGURE 2); dorsal and ventral interocular groove deep; brushes of male abdominal sternite VII subrectangular ( Figs. 1View FIGURE 1 e–f)..................................................................................................... Hydrometra colombiana  sp. nov.