1646 Hymenoptera in America North of Mexico 



clavatum clavatum (Say), n. status (R. E. Coville). Ont., U. S. east of Rockies except New 

 England, Ariz. Ecology: Nests in borings in wood, old mud dauber and Polistes nests, 

 and old mining bee burrows; stores 5-22 spiders per cell. Parasite: Pyemotes ventricosus 

 (Newp.); Anthrax aterrima (Big.); Megaselia sp. ?; Amobia distorta (Allen), 

 Miltogramminae spp.; Melittobia chalybn Ashm.; Sphaeropthalma p. pensylvanica 

 (Lep.), S. p. scaeva (Bl.); Tiichrysis carinata (Say). Prey: Dictyna sublata (Hentz); 

 Clubiona sp., Clubionidae sp.; Anyphaena pectorosa Koch, A. sp., Anyphaenella 

 saltabunda (Hentz), Anyphaenidae spp.; Misumenops asperatus (Hentz), M. oblongus 

 (Keys.), M. spp., Misumenoides aleatorius (Hentz), Synema parvula (Hentz), Xysticus 

 triguttatus Keys., X. spp., Philodromus rnfns Walck., P. marxii Keys., P. pemix 

 Blackw. P. satullus Keys., P. ivashita Bks., P. spp., Thanatus formicinus (Oliv.), T. 

 sfriatus Koch, Misumeninae spp.; Salticus scenicus (L.), Evarcha hoyi Peckh., Onondaga 

 lineata (Koch), Habronattus sp., Phidippus audax (Hentz), P. clams Keys., P. spp., 

 Paraphidippus marginatus (Walck.), P. spp., ZygobaUus bettini Peckh., Z. nervosus 

 (Peckh.), Z. sexptinctatus (Hentz), Thiodiyia iniquies (Walck.), T. puerpera (Hentz), 

 Hentzia mitrata (Hentz), Maevia vittata (Hentz), Icins elegans (Hentz), /. hartii Em., 

 Metaphidippus insignis (Bks.), M. protervus (Walck.), M. galathea (Walck.), Salticidae 

 spp.; Dapanus 7nira (Walck.); Pardosa sp., Lycosidae spp.; Oxyopes salticus Hentz, 

 Oxyopidae spp.; Argiope aurantia Luc, A. tiifasciata (Forsk.), Mangora gibberosa 

 (Hentz), M. maculata (Keys.), Eitstala ayiastera (Walck.), E. sp., Neoscona minima 

 Camb., N. domiciliorum (Hentz), N. sp., Araneus juniperi (Em.), A. spp., Araniella 

 displicata (Hentz), Araneidae spp.; Theridiidae spp.; Tetragnatha sp.; prefers errant to 

 snare-building spiders by ratio of 4: 1. Predator: Cymatodera sp.?, Lecontella cancellata 

 (LeC); Trogoderma oniatitni Say. 



Trypoxylon clavatits Say, 1837. Boston Jour. Nat. Hist. 1: 374. 



Trypoxylon annulare Dahlbom, 1844. Hym. Europaea, v. 1, pp. 282, 509. ?. 



Trypoxylon rufozonalis Fox, 1891. Amer. Ent. Soc, Trans. 18: 145. 9, (J. N. syn. (R. E. 

 Coville). 



Trypoxylon quintilis Viereck, 1906. Amer. Ent. Soc, Trans. 32: 206. 6. 



Trypoxylon cockerellae Rohwer, 1909. Amer. Ent. Soc, Trans. 35: 130. 9. 



Taxonomy: Evans, 1957. Amer. Ent. Soc, Trans. 83: 91, figs. 36-43 (larva). —Evans, 1959. 

 Amer. Ent. Soc, Trans. 85 160 (larva). 



Biology: Ashmead, 1894. Psyche 1: 45 (nest). — Rau and Rau, 1916. Jour. Anim. Behavior 6: 

 34, figs. 16, 19, 24, 25 (nest). —Rau and Rau, 1918. Wasp Studies Afield, pp. 135-137, fig. 32 

 (nest). —Rau, 1922. Acad. Sci. St. Louis, Trans. 24: 22 (nest). — Blackman and Stage, 1924 

 N. Y. State Col. Forestry, Syracuse Univ., Tech. Pub. 17: 196 (nest). —Rau, 1926. Acad. 

 Sci. St. Louis, Trans. 25: 198 (nest). —Rau, 1928. Acad. Sci. St. Louis, Trans. 25: 406 (prey, 

 life cycle). —Rau, 1931. Ent. News 42: 200 (homing experiments). — Muma and Jeffers, 

 1945. Ent. Soc. Amer., Ann. 38: 246, 252, 255, pi. 2, figs. 5, 6 (nest, prey). — Krombein, 1967. 

 Trap-nesting wasps and bees, pp. 203-210, text fig. 2b, figs. 11, 133 (nest, prey, life cycle, 

 egg, cocoon, parasites, predators). 

 clavatum johannis (Richards), n. status (R. E. Coville). Ga., Fla. Ecology: Nests in borings in 

 wood, stores 8-17 spiders per cell. Parasite: Amobia floridensis (Tns.), Miltogrammini sp. 

 Prey: Lyssomanes viridans (Hentz), L. viridis (Walck.); Misumenops bellulus (Bks.), M. 

 celer (Hentz), M. sp., Tmarus sp., Tibellus sp., Thomisidae sp.; Pellenes sp., 

 Paraphidippus marginatus (Walck.), Phidippus audax (Hentz), P. variegatus Luc, P. 

 clarus Keys., P. sp., Icius sp., Hentzia ambigua (Walck.), H. palmarum Hentz, H. sp., 

 Maevia hobbsi Barnes, M. michelsoni Barnes, Thiodina sylvana Hentz, T. pseustes 

 Chamb. and Ivie; Mimetus notius Chamb.; Pai-dosa sp.; Oxyopes salticus Hentz, 0. sp., 

 Peucetia abboti (Walck.); Gea heptagon (Hentz), Drexelia directa (Hentz), Eustala 

 anastera (Walck.), Mangora placida (Hentz), Wagtieriana tauricomis Chamb., Neoscona 

 arabesca (Walck.), N. minima (Keys.), N. sp., Argiope aurantia Luc, A. trifasciata 

 (Forsk.), Araneidae sp.; Leucauge venusta (Walck.); prefers errant to snare-building 

 spiders by a ratio of 3:1. 

 Trypoxylon (Trypargilum) johannis Richards, 1934. Roy. Ent. Soc. London, Trans. 82: 238. 

 9,6. 



