266 
MODERN SYSTEM, 
Sp. 1. Cries, septentrionalis. 
Nematus Septentrionalis. Jurme, Latr., Leach. Crxsus Septcntno- 
nalis. Leach, Zool. Misc. vol. iii. p. 129. 
Inhabits woods. 
Genus 418. NEMATUS. Leach. 
Superior wings with four submarginal cells: antenna: simple, nine- 
jointed ; longer than the body in the males, the last articulation g e ' 
nerally increasing, or internally a little produced: tarsi simple. 
Sp. 1. Kent, niger. 2. Nem. luteus. S. Nem. lucidus, 4'c. 
Genus 419. CLADIUS. Leach. 
Upper wings with three submarginal cells : antenna of the same length 
as the body or scarcely longer; of the males with very long cilia ! 
the 3d, 4th, and 5th joints from the apex, or the 6th and 7th (espe- 
cially) a little produced; the third joint from the base with a small 
protuberance : tarsi simple. 
Sp. 1. Cla. diffnrmis. 
Inhabits England, but is rare; it has occurred at Coombe Wood in 
Surry, and near Bristol. 
Stirps 6. — Antenna with many articulations : body rather depressed! 
wings with two marginal and four submarginal cells. 
Genus 420. TARPA. Fair., King, Leach. Megalodontes. Latr-t 
Spinola. Diprion. Schrank. 
Tibite, the four posterior armed on the inside with two spurs or spine 8, 
Oes. — Abdomen with the posterior part of the first articulation with » 
membranaceous margin ; the membrane pale. 
Sp. 1. Tar. Fubricii. Black; head with two spots on the inner margin 
between the eyes : thorax with the anterior part angular; two strip eS 
near the scutellum, and punctured; the membrane of the abdomen 
with two fascia*, and a puncture on each side : anus with a wbd e 
band: an tennse brown; the first two joints black : feet yellow ; bas® 
of the coxa: of the four anterior feet black. 
Tarpa Fabncii. Leach. 
Length of the body 7 lines ; expansion of the wings 121- lines. In l ' lC 
museum of Dr. Leach. 
Sp. 2. Tar. Ktngii. Black, with three spots between the eyes; tho 8 ® 
placed on the margin of the eyes broken: thorax with the anterio r 
margin divided; two stripes near the scutellum, and punctured: 3 
domen with the 1st, 4th, 5th, 6th, 7 th, and 8th joints at the p° st ®j 
rior margins, with two yellow bands: antennas with the second an . 
last joint black, the others brown; feet reddish brown; tibia; yello w ’ 
thighs of the four anterior legs black at their base. 
Tenthredo cephalotes. Fair. Ent. Syst. 2. 11 1. Tarpa cephalotes, 
Syst. Fiezat. 19. Tarpa plagiocepliala. King, Berl. Mag. 1808 , 27 
t. 8. Tarpa Klugii. Leach, Zool. Misc. iii. 131. 
