108 Ins, 
HYMENOPTEKA. 
Tryphonides, 
General observations on the group ; S. C. Snellen van Vollenhoven, 
Pinacographia, pp. 34 & 35. MesolejJtus dubiously considered separable 
from Mesolius ; Mesolius opticus bred from Nematus virescens, and M. 
samjuinicollis from gall of a willow-frequenting Nematus, p. 36. Tri/phon 
elongator, P., fig. 1, hr achy acanthus, Gmel., fig. 2, rutilator, L., fig. 3, vul- 
garis, Holm., fig. 4, trochanteratus, Holm., fig. 6, consohrinus. Holm., 
fig. 6, signator, Gr., fig. 7, fulviventris, Holm., fig. 8, ephippium. Holm., 
fig. 9, pi. xxii.; Mesolius rufus, Gr., fig. 1, aulicus, Gr., fig. 2, caligatus, 
Gr., fig. 3, opticus, Gr., fig. 4, furax, Holm., fig. 5, sanguinicollis, Gr., 
fig. 6, hoimatodes, Gr., fig. 7, lophyrorum, Htg.,fig. 8, ophthalmicus, Holm., 
fig. 9, pi. xxiii. ; id. 1. c. 
Holmgren, A. E. Dispositio Synoptica Mesoleiorum Scandiuavim. 
Sv. Ak. Handl. xiii. No. 12 [1876], pp. 1-51. 
129 species are described, whereof 33 are new. Some little synonymy 
is given. 
Tryphon prcerogator, L. & Grav. ; observations on determination, and 
indication of the ^ of Gravenhorst’s species being a Mesolius ; S. 0. 
Snellen von Vollenhoven, Tijdschr. Ent. xx. p. 64. 
Scolohates discussed as to systematic position and species; S. coral- 
linus, Yoll., = italicus, Gr., and is considered a true Tryphon. Kriech- 
baumer, Ent. Nachr. iii. pp. 133-137, 149 & 150. 
(Edemopsis rogenhoferi, Tschek, = Tryphon scahriculus, Grav., $ , 
reared from Cladius difformis ; Brischke, Deutsche E. Z. 1877, p. 285. 
Bassus fissorius, Gr., has no areolet ; Batzeburg’s is probably 
not this species. Kriechbaumer, 1. c. p. 166. 
Euryproctus aherrans, sp. n., Woldstedt, Bull. P4tersb. xxii. p. 400, 
Silesia. 
Perilissus fcersteri, id. ibid., Silesia, dissimilis, id. op. cit. xxiii. p. 458, 
St. Petersburg : spp. nn. 
Mesolius ephippiger and senilis, p. 4, spectahilis, p. 8, suspicax, p. 9, 
silvarum and sepulchralis, p. 10, ventosus, p. 11, wahlbergi, astutus, and 
assiduus, p. 13, alpestris and solitarius, p. 14, patagiatus, p. 15, modestus, 
p. 16, commotus, p. 17, curvicrus (melancholicus. Holing., olim), exiguus, 
and contrarius {sylvestris, Holmg., olim), p. 18, pervicax, sobrinus, and 
efferus, p. 19, circumspectus, p. 20, difformis, p. 24, celator and facetus, 
p. 29, torvus, p. 30, rufo-notatus, p. 31, corrugutus, p. 35, perturbatus, p. 36, 
cequabilis, p. 37, filicornis, p. 40, erythrogaster, p. 44, proicatorius, p. 48, 
Holmgren, 1. c., various Scandinavian localities ; M. decipiens and infidus^ 
p. 401, punctulatus, p. 402, Woldstedt, Bull. Petersb. xxii., Silesia; M. 
arctophylax, T. A. Marshall, Ent. M. M. xiii. p. 241, Wide Bay, Spitz- 
bergen ; M. antennatus, Provancher, Nat. Oanad. ix. p. 15, Canada ; 
spp. nn. 
Polyblastus rixator, sp. n., Woldstedt, 1. c. p. 399, Silesia. 
Cteniscus (Diaborus) sedulus, sp. n., id. op. cit. xxiii. p. 455, St. Peters- 
burg. 
