388 CLASS VIII. 
Tarpa Fasr., Hartic, Magalodontes LAtR. Antenne shortly 
pectinate on the inside (fifteen- to eighteen-jointed). Radial cells 
two, cubital four. Posterior tibize with two lateral spines. 
Comp. Kuiue, Entomol. Monographien, Berlin 1824, 8vo, s. 181-—196. 
Lophyrus Latr. Antenne in males pectinate, in females ser- 
rate (seventeen- to thirty-jointed). Radial cell single, cubital cells 
four. 
Sp. Lophyrus Pini, Tenthredo Pint L., Ratzepure 1. 1. Tab. I. fig. 1; 
Lophyr. rufus, &. The larvee have 22 feet}. 
b) Antenne with mostly nine joints or fewer. 
Tenthedro Li. (exclusive of many species), LAtr., <Allantus 
JURINE (with addition of some sub-genera). Antenne nine- to 
eleven-jointed, simple. Radial cells mostly two, cubital four. 
Labrum exsert. 
Sub-genera: Macrophya Dauus., Tenthedro Harric, Allantus 
JuRINE, Athalia Leacu, Selandria Leacu, Dinuwra Daus., Phyl- 
lotoma FauuEn, Fenusa Leacn, Emphytus Kuve, Pelmatopus 
Hartic, Dolerus Jurtne, Cryptocampus Harrie, Nematus J URINE, 
Cladius Iuuic., and others which are recorded in Westwoop, 
Generic Synops. pp. 52—54. 
(Areole of wings and antenne are used for subdivisions), 
Sp. Zenthredo difformis (Cladius), Panzer, Deutsch. Ins. Heft 62, Tab. x. 
(male with antenne pectinate in middle) ; Tenthredo centifoliw (Athalia), 
Panzer, Deutsch. Ins. Heft 49, Tab. xvu.2; Tenthr. grossularie DAHLB., 
BLANKAART, Schouburg, Tab. 1x. figs. e—J3 ; Tenthredo gallicola (Nematus) 
WEstw., SWAMMERDAM, Bib. Nat. Tab. xuiv., Ra@sen, Jns. 11., Bombyl. 
et Vesp. Tab. x. figs. 1—4 (Tenthredo gallifec HAGENB. in MSS.) &. The 
larvee have twenty or twenty-two feet. 
Hylotoma LAtR. (and Schizocera eyusd.) Antenne triarticulate, 
with third joint elongate, in males of some species forked (Schizo- 
2 Comp. on this genus L. Finretmann, Zur Naturgesch. einiger auf der Kiefer 
lebender Lophyren ; Nov. Act. Cees. Leop. Car., Tom. x1x. P. 1, 1839, pp. 245—280, 
Tab. XXv. 
2 On this insect, whose larva may be very destructive to turnips by eating the 
young leaf, we have an excellent monograph by G. Nuwport, Observ. on the Anat. 
and Economy of Athalia centifolie ; Prize Essay of the Entomol. Soc. With a plate. 
London, 1838, 8vo. 
