EditorialRose sawfly, Arge ochropus, Hylotoma rosae 1, courbaril or West Indian locust, Hymenaea courbaril 2-6, and filmy fern, Hymenophyllum hirsutum 3. Hylotome, Hymenee Courbaril, Hymenophylle. Handcoloured steel engraving by Pfitzer after an illustration by...
EditorialNematus, Print, Nematus is a genus of sawfly in the family Tenthredinidae. Some of its species, including Nematus leucotrochus, Nematus olfaciens and Nematus ribesii, eat the leaves of fruit bushes and trees, and can be serious pests.