All agree in having sucking mouth parts usually in the form of a slender, three- or four- segmented beak; antennae of not more than five segments, usually of four ... of hemipterous phylogeny and gave his views on the probable evolutionary lines of surface bugs and under water bugs in the form of diagrams (figs. ... Valuable help in collecting has been given by the late Harry P. Chandler and J. D. Lattin.
Title | : | Aquatic Insects of California |
Author | : | Robert Leslie Usinger |
Publisher | : | Univ of California Press - 1956 |
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