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laphygmae Viereck. N. Mex.; Costa Rica, Columbia, Venezuela. Host:

Prodenia eridania (Cram.). levis Muesebeck. Calif. maximus Muesebeck. S. C., Ga. niveitarsis (Cresson). Maine, Mass., Wis., Oreg., Alaska. Host: Eulype

hastata (L.). *pinifolii Mason. Calif., B. C., Alta. Host: Recurvaria milleri Busck.

Meteorus pinifolii Mason, 1960. Canad. Ent. 92: 143. , . politus (Provancher). Mich., Minn. proximus (Cress.). Minn. tauricornis (Provancher). Md., Fla. tersus Musebeck. Host: Amorbia essigana Busck. Biology: Fleschner, Ricker, and Johnson, 1957. Calif. Avocado Soc.

Ybk. 41: 115.
tibialis Muesebeck. Ont. Host: Hyperplatys aspersa (Say).
trachynotus Viereck. N. S., Maine, Tenn., Mich., Wis., Minn., Iowa, Colo.

Distribution apparently includes all U. s. Hosts: Dioryctria
reniculella (Grote), Choristoneura pinus Freem., Archips rosanus

(L.), Epismus argutanus (Clem.).
Biology: McGugan, 1955. Canad. Ent. 87: 178-187.
versicolor (Wesmael).
Biology: Clausen, 1956. U. S. Dept. Agr. Tech. Bul. 1139, p. 114.-
Dowden, 1962. U. S. Dept. Agr., Agr. Handb. 226, p. 60.

*Tribe EUPHORINI Biology: Muesebeck, 1963. Ent. Soc. Wash. Proc. 65: 306 (host relations).

Genus ARIDELUS Marshall, p. 98
melanderi (Brues). N. Y., Tenn.
nigrithorax Muesebeck. S. C.

Genus PERILITUS Nees, p. 101
Taxonomy and host relations: Smith, 1953. Ohio Jour. Sci. 53 (3):

173-178.
coccinellae (Schrank). Hosts: Coccinella novemnotata Hbst., C. septempunc-

tata L., C. quinquepunctata L., Adonia variegata (Goeze), Halyzia

quattuordecimguttata Balduf, Coleomegilla maculata lengi Timb. Biology: Stich, 1929. Ztschr. f. wiss. Insektenbiol. 24: 91-95.— Ibrahim,

1955. Soc. Ent. d'Egypte Bul. 39: 414-416.-Hudon, 1959. Canad.
Ent. 91:63-64.—Walker, 1961. Ent. Monthly Mag. 97: 240-244.

*Genus ROPALOPHORUS Haliday
Ropalophorus Haliday, 1840. In Westwood, Introd. Mod. Classif. Ins. 2,

Synopsis p. 61.
Type: Microctonus clavicornis Wesmael. By monotypy and

orig. desig.
Insert in Euphorinae following Perilitus Nees, p. 101.
*wisconsinensis Shenefelt. Wis. (Nekoosa).
Ropalophorus wisconsinensis Shenefelt, 1960. Ent. Soc. Amer. Ann. 53:
543. 4.

*Genus STREBLOCERA Westwood Streblocera Westwood, 1833. Phil. Mag. and Jour. Sci. (3) 3: 342.

Type: Streblocera fulviceps Westwood. By monotypy. *Eutanycerus Foerster, 1862. Naturh. Ver. Rheinlande Verh. 19: 251.

Type: Eutanycerus halidayanus Foerster. By monotypy.

* : , .

Type: Lecythodella garleppi Enderlein. By monotypy. Place in Euphorinae after Perilitus Nees, p. 101. Taxonomy: Muesebeck, 1936. U. S. Dept. Agr. Misc. Pub. 241, pp. 13-14.

-De Saeger, 1942. Rev. de Zool. et de Bot. Africaines 35: 376-385.— Watanabe, 1942. Insecta Matsumurana 16: 1-12.-De Saeger, 1946. Exploration du Parc National Albert, fas. 50, pp. 144-178.—Granger, 1949. Inst. Sci. Madagascar, Mem., Ser. A., Biol. Anim., v. 2, pp. 318-320.—Walley, 1963. Canad. Ent. 95:

999-1001. *pulvillicornis Walley. Que. (Gatineau Park).

Streblocera pulvillicornis Walley, 1963. Canad. Ent. 95: 999. 4.

Genus MICROCTONUS Wesmael, p. 102 Taxonomy and host relations: Smith, 1953. Ohio Jour. Sci. 53 (3):

173-178. aethiops (Nees). N. J., Fla., Ariz. Hosts: Hypera meles (F.), H. nigrirostris

(F.), H. postica (Gyll.), Sitona crinita Hbst., S. hispidula (F.), S.

humeralis Steph., S. spp. Biology: Loan and Holdaway, 1961. Canad. Ent. 92: 1057-1079.—Coles

and Putler, 1963. Jour. Econ. Ent. 56: 609-610. carabivorus Muesebeck. Md., Tenn., Mich., Iowa, Idaho. "invictus Muesebeck. Calif., Ariz. Host: Trigonoscuta sp. Microctonus invictus Muesebeck, 1961. Brooklyn Ent. Soc. Bull. 56: 59.

4, 8. * pachylobii Muesebeck. La., Fla. Host: Pachylobius picivorus (Germar). Microctonus pachylobii Muesebeck, 1961. Brooklyn Ent. Soc. Bull. 56:

58. 4, . *sitonae Mason. Ont. Host: Sitona scissifrons Say.

Microclonus sitonae Mason, 1960. Canad. Ent. 92: 436. 4, .

Biology: Loan, 1963. Ent. Soc. Amer. Ann. 56: 605-611. vittatae Muesebeck. Apparently distributed over most of U. S. and south.

Canada; also in Hawaii, Japan and Korea. Hosts: Phyllotreta striolata discedens Weise, P. s. lineolata Chitt., P. bipustulata

(F.). Taxonomy: Watanabe, 1955. Mushi 29 (8): 51-55. Biology: Nagasawa, 1943. Mushi 15: 103-107.-Nagasawa, 1943. Shoku

butsu oyobi Dobutsu 11: 460-466 (In Japanese).--Nagasawa, 1947. Seibutsu 2: 48-52.-Nagasawa, 1948. Bul. Takarazuka Insectarium 58, 18 pp. (In Japanese).-Smith and Peterson, 1950. Jour. Econ. Ent. 43: 581-585.-Smith, 1952. Univ. Calif. Pub. Ent. 9: 315-344.-Smith, 1953. Ohio Jour. Sci. 53 (3): 173-178.

Genus WESMAELIA Foerster, p. 102 pendula Foerster. Calif., Alaska. Host: Nabis sp. Biology: Muesebeck, 1963. Ent. Soc. Wash. Proc. 65: 306.

Genus MYIOCEPHALUS Marshall, p. 102 boops (Wesmael). Maine, Mich., Minn., Tex., N. Mex., Calif. Distribution

apparently includes all U. S.

Genus SYNTRETUS Foerster, pp. 102-103 Biology: Cole, 1959. Ent. Monthly Mag. 95: 18-21. First record of host

association. Hosts are adults of Ichneumonidae.

Genus EUPHORIELLA Ashmead, p. 103 sommermanae Muesebeck.

Biology: Sommerman, 1956. Ent. Soc. Wash. Proc. 58 (3): 149-152.

Genus EUPHORIANA Gahan, p. 103 uniformis Gahan. Iowa, Utah, Calif. Host: Lygus elisus Van Duzee.

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*Genus LEIOPHRON Nees

(= Euphorus Nees, pp. 103-104) Leiophron Nees, 1818. Nova Acta Acad. Leop. Carol. 9: 103. No species. Leiophron Nees, Haliday, 1833. Ent. Mag. 1: 263. Three species.

Type: Leiophron apicalis (Curtis) Haliday. Desig. by Vier

eck, 1914. Replaces Euphorus Nees, which falls as a syn. of Leiophron (teste

Muesebeck, 1958. U.S. Natl. Mus. Proc. 107: 410-412). pallipes (Curtis). Sask. Hosts: Adelphocoris lineolatus (Goeze), Chlamy

datus sp., Lygus lineolaris (Beauv.), Plagiognathus medicagus

Arrand. tuberculatus (Muesebeck). N. H.

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Subfamily COSMOPHORINAE
Placement of this group in the cyclostomine section of the Braconidae
seems not to be tenable. The clypeus, while impressed, is not circularly emar-
ginate as in cyclostomines, and in habits and larval structure the species
resemble the Euphorinae. For the present the group is treated here as a
distinct subfamily, but it is removed from the cyclostomine section of the
family and placed after the Euphorinae. It may eventually need to be rein-
corporated in that subfamily.
Taxonomy: Hedqvist, 1955. Ent. Tidskr. 76: 92-98.—Watanabe, 1960.

Insecta Matsumurana 23: 55.
Biology: Hedqvist, 1955, loc. cit. supra, p. 92.

Genus COSMOPHORUS Ratzeburg, Sup. 1, p. 36
pityophthori Rohwer. Colo., Idaho, Wash. Host: Pityophthorus nitidulus

(Mann.).

Subfamily MACROCENTRINAE

Genus MACROCENTRUS Curtis, pp. 104-107
Taxonomy: Eady and Clark, 1964. Ent. Gaz. 15: 97-127 (revision of the

European spp.).
aegeriae Rohwer. Syn. of marginator (Nees).
affinis Muesebeck. Minn., Idaho.
ancylivorus Rohwer. Host: Sparganothis sulfurana (F.).
Biology: Allen, 1962. U. S. Dept. Agr. Tech. Bul. 1265, pp. 15-24.Put-

nam, 1963. Canad. Ent. 95: 1022-1023. atratus Muesebeck. N. C., Fla., Iowa. cerasivoranae Vereck. Hosts: Archips argyrospilus (Wlkr.), A. infumatanus

(Zell.). clypeatus Muesebeck. N. H. crambi (Ashmead). N. Y., Md., La., Ark. cuniculus Walley. Mont. delicatus Cresson. Host: Tetralopha scortealis (Led.).

Biology: Allen, 1962. U. S. Dept. Agr. Tech. Bul. 1265, pp. 19, 24-25. exartemae Walley. Host: Exartema valdanum McD. gifuensis Ashmead. Delete; not known to occur in No. Amer. Records in

Catalog apply to grandii Goidanich.

* grandii Goidanich. Europe, Japan; No. Amer. Replaces gifuensis Ashmead

of Catalog (teste Eady and Clark, 1964. Ent. Gaz. 15: 121-122). Macrocentrus grandii Goidanich, 1937. Ist. Ent. Univ. Bologna Bol. 9:

196. 9. Biology: Clausen, 1956. U. S. Dept. Agr. Tech. Bul. 1139, p. 113 (as

gifuensis Ashmead). impressus Muesebeck. Fla. incompletus Muesebeck. N. Mex., Ariz. instabilis Muesebeck.

Biology: Allen, 1962. U. S. Dept. Agr. Tech. Bul. 1265, p. 26. iridescens French. Host: Harpipteryx xylostella (L.). *marginator (Nees). All U. S. except southern tier of States; also N. S. to

B. c. in Canada; Europe. Hosts: As given under aegeriae in
Catalog and 1st Sup.; also, in Europe, Aegeria culiciformis Esp.,
A. formicaeformis Esp., A. flaviventris Staud., A. speciformis
Schiff., A. espiformis (L.), Epinotia sordidaná Hübn., E. ca-

prana (F.) and Lathronympha strigana (F.).
Bracon marginator Nees, 1812 (1811). Gesell. Naturf. Freunde Berlin

Mag. 5: 14. 9. Macrocentrus aegeriae Rohwer. (Syn. by Eady and Clark, 1964. Ent.

Gaz. 15: 113.) nigridorsis Viereck. Utah, Oreg., Calif. Hosts: Choristoneura conflictana

(Wikr.), Sciaphila duplex Wism., Sparganothis sp. reticulatus Muesebeck. N. C., Fla. texanus Muesebeck. Kans., Ariz.; Mexico. utilis Muesebeck. Fla.

Subfamily HELCONINAE

Genus HELCONIDEA Viereck, p. 108 ligator (Say). Host: Agrilus anxius Gory.

Genus HELCON Nees, p. 108
*Edyia Cameron, 1905. Ann. Mag. Nat. Hist. (7), 16: 159. (Syn. by

Baltazar, 1961. Philippine Jour. Sci. 90 (3): 392.)
Type: Edyia annulicornis Cameron. By monotypy.

Genus METEORIDEA Ashmead, p. 109
*Benama Nixon, 1941. Bul. Ent. Res. 32: 98. (Syn. by Shenefelt and

Muesebeck, 1957. Ent. Soc. Wash. Proc. 59: 130.)

Type: Benama hutsoni Nixon. By monotypy and orig. desig. Taxonomy: Shenefelt and Muesebeck, 1957. Ent. Soc. Wash. Proc. 59:

129-134. *compressiventris Shenefelt and Muesebeck. Wis. (Douglas Co.). Meteoridea compressiventris Shenefelt and Muesebeck, 1957. Ent. Soc. Wash. Proc. 59: 131. .

Subfamily BLACINAE

Tribe BLACINI

Genus BLACUS Nees, p. 110
Miocolus Foerster, 1862. (Syn. by Muesebeck, 1964. Ent. Soc. Wash.

Proc. 66: 88.) In line with current literature Ganychorus Haliday and Goniocormus Foerster are kept as synonyms of Blacus Nees, but it seems likely that when a critical study of the group is made both will be recognized as distinct genera.

Biology: Arnaud, 1952. Ent. News 63: 149-150.

*Genus PYGOSTOLUS Haliday Pygostolus Haliday, 1833. Ent. Mag. 1: 263.

Type: Cryptus stricticus Fabricius. By monotypy. Insert in Blacinae after Syrrhizus Foerster, p. 110. *falcatus (Nees). Man. Host: Sitona cylindricollis Fahr.; in Europe, Sitona

lineatus (L.), S. humeralis Steph., S. hispidulus (F.).
Leiophron falcalus Nees, 1834. Hym. Ichn. Aff. Monogr., v. 1, p. 44. .!
Biology: Loan and Holdaway, 1961. Bul. Ent. Res. 62: 473-488.-Loan,

1961. Jour. Econ. Ent. 54: 1026-1031.-Loan, 1963. Ent. Soc.
Amer. Ann. 56: 605-606.

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Genus ORGILUS Haliday, p. 111 dioryctriae Rohwer. Host: Dioryctria auranticella (Grote). gelechiae (Ashmead). N. S., P. E. I., Que., Ont. Hosts: Lithocolletis sp.,

Gracilaria sp. on Cornus canadensis. obscurator (Nees). Que., Ont., Mass., R. I., N. Y., N. J., W. Va., Mich. Hosts

(in Europe): Semasia hypericana (Hbn.), Exoteleia dodecella

(L.).
Biology: Watson and Arthur, 1959. Canad. Ent. 91: 481.-Miller, 1960.

Jour. Econ. Ent. 53: 318.—Juillet, 1960. Canad. Ent. 92: 342-346.
-Leius, 1960. Canad. Ent. 92: 371-375.—Juillet, 1960. Canad.
Ent. 92: 701-704.-Dowden, 1962. U. S. Dept. Agr., Agr. Handb.
226, p. 62.

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Genus EUBADIZON Nees, pp. 111-112
*definitum Muesebeck. Oreg., Calif. Hosts: Conophthorus ponderosae Hopk.,

Ernobius sp.
Eubadizon definitum Muesebeck, 1957. Brooklyn Ent. Soc. Bul. 52: 53.

%, .
*electum Muesebeck. Oreg., Calif.; B. C. Host: Phymatodes sp.
Eubadizon electum Muesebeck, 1957. Brooklyn Ent. Soc. Bul. 52: 54. f,

8. *ernobii Muesebeck. Calif., Oreg. Host: Ernobius sp. Eubadizon ernobii Muesebeck, 1957. Brooklyn Ent. Soc. Bul. 52: 51.4,

8.
*extensor (Linnaeus). Europe, U. S., South. Canada, Japan. Hosts: Choris-

toneura muriana (Hbn.), Depressaria heracleana (L.), Epinotia
nigricana (H-S.), E. pusillana Peyer., Spilonota lariciana Hein.,

Zeiraphera griseana (Hbn.), 2. rufimatrana (H.-S.).
Ichneumon extensor Linnaeus, 1758. Syst. Nat., 10th Ed., p. 564.
Eubadizon pleurale Cresson, 1872. N. syn. (based on comparison of type

with material from Europe and Japan by C. F. W. Muesebeck). Biology: Čapek, 1956. Biologia 11: 602.-Allen, 1962. U. S. Dept. Agr.

Tech. Bul. 1265, pp. 27-29. gracile Provancher. N. H., Mass., Wis., Minn., Oreg. Hosts: Acleris variana

(Fern.), Eucordylea ducharmei Freem., Evagora starki (Freem.),

Recurvaria apicitripunctella (Clem.).
Biology: Schaffner, 1959. U. S. Dept. Agr. Misc. Pub. No. 767, p. 57.-

Stark, 1961. Canad. Jour. Zool. 39: 895.
*salicicola Muesebeck. Calif. Host: Dorytomus sp. on willow.
Eubadizon salicicola Muesebeck, 1957. Brooklyn Ent. Soc. Bul. 52: 55.

4, .

Genus STANTONIA Ashmead, p. 112 carpocapsae Muesebeck. Tex.

Genus MICROTYPUS Ratzeburg, p. 113 dioryctriae Rohwer. Host: Dioryctria auranticella (Grote).

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