Caraboacarus calosomae n. sp is described from Calosoma argentinense Csiki collected in Santiago, Chile. This is the first record of this genus in South America. The genius is recorded from North America, Europe, Asia. and Guadalcanal Island in the Pacific Ocean

Husband, Robert W

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Robert W Husband

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 (Carabidae) From Chile

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The Great Lakes Entomologist Volume 19 Number 2 - Summer 1986 Number 2 - Summer 1986 Article 12 June 1986 A New Species of Caraboacarus (Acari: Caraboacaridae) From Calosoma Argentinense (Carabidae) From Chile Robert W. Husband Adrian College Follow this and additional works at: https://scholar.valpo.edu/tgle Part of the Entomology Commons Recommended Citation Husband, Robert W. 1986. "A New Species of Caraboacarus (Acari: Caraboacaridae) From Calosoma Argentinense (Carabidae) From Chile," The Great Lakes Entomologist, vol 19 (2) Available at: https://scholar.valpo.edu/tgle/vol19/iss2/12 This Peer-Review Article is brought to you for free and open access by the Department of Biology at ValpoScholar. It has been accepted for inclusion in The Great Lakes Entomologist by an authorized administrator of ValpoScholar. For more information, please contact a ValpoScholar staff member at scholar@valpo.edu. 1986 THE GREAT LAKES ENTOMOLOGIST 115 A NEW SPECIES OF CARABOACARUS (ACARI: CARABOACARIDAE) FROM CALOSOMA ARGENTINENSE (CARABIDAE) FROM CHILE Robert W. Husband I ABSTRACT Caraboacarus calosomae n. sp is described from Caiosoma argentinense Csiki collected in Santiago, Chile. This is the first record of this genus in South America. The is recorded from North America, Europe, Asia. and Guadalcanal Island in the Ocean. In the process of examining beetles for parasitic mites of the family PodapoJipidae, an undescribed of Caraboacarus was discovered. Caraboacarus calosomae n. sp. is described from Calosoma argelltinense Csiki (Carabidae) collected in Santiago, Chile. Carahoacarus spp. were discussed in Husband and Husband (1984). There are no previous records of this genus in South America. Mites were examined with the aid of Wild-Heerbrug phase- contrast microscope with a drawing attachment. All measurements are given in micrometers. Terminology follows that of Lindquist (1976, 1977). Caraboacarus calosomae new species Female (Figs. 1,2). Gnathosoma length 38, width 66. Dorsal setae 23, anterio-ventral setae 8, posterio-ventral setae 10 (bent). Midventral gnathosomal setae stout and pointed. length 6. Palps inconspicuous, pal pal setae always bent. basal segment seta about 30. distal segment seta about 22. Chelieeral stylets 20 (at angle). Idiosoma. Length 263. width 180. Dorsum. Prodorsal plate broader than long. setae v, 32. SC, 52. Bothridial setae club-like and smooth (no spines). 24. Conspicuous stigmata lateral and ventral to setae v I. Plate C divided. median plate wider than long. setae c, about 35 (broken): C2 133, on separate lateral plates. Setae d 33 (broken). Plates E. F fused. setae c 10 (broken), setae f 33 (broken). Plate H with two pairs of setae, setae hi and h2 about 18. Venter with apodemes well developed. Coxae I with large indistinct circular concav­ities, la setae 14. Coxae 2a pointed and stout 10, 2b 38. Setae 3a 23, 3b 20 (broken), 3c pointed and stout 9. Setae 4a pointed and stout 7. 4c blunt and stout 8. setae 4b thin 32. Adgenital setae 11. Opisthosoma extending well beyond base of tibiotarsus IV. Legs. Leg segment sctal numbers as in Table I. Leg I slightly shorter and thinner than legs II-IV, without conspicuous ambulacrum or claws. Femur I setae v" pointed and stout. Tibia seta <fJ 12. adjacent seta k 5. Tarsus solenidion w 9. Leg II with a thick blunt femur I' seta, seta <fJ shorter and more slender than seta w. Claws and ambulacrum well developed. Leg III with trochanter setae 27, setae <fJ 5, claws and ambulacrum well Biology Department, Adrian College, Adrian, MI 49221. I 1Husband: A New Species of Caraboacarus (Acari: Caraboacaridae) FromPublished by ValpoScholar, 1986116 THE GREAT LAKES ENTOMOLOGIST Vol. 19. No.2 1 Fig. l. Caraboacarus caJosomae n. sp .. dorsal aspe~l. developed. Leg IV with tibia and tarsus fused. no solenidion but with a broad blade-like seta 88 in length. Ambulacrum developed but claws not well de\"e1oped. Type data: Holotype, non-gravid female: Chile, Santiago. September 1968. from Calosoma argentinel1se Csiki (Carabidae) collector unknown. Deposited in the :\luseum of Zoology. University of Michigan, Ann Arbor, Michigan. C.S.A. I RWH096885-11. Paratype. non-gravid female, same host data as holotype. Deposited n the collections of Adrian College, Adrian. Michigan (RWH096885-2). Diagnosis. C. calosomae has pointed setae 2a and 3c whereas these setae are blunt androunded in C. stammeri, C. karenae and C. towsleYi. The idiosoma of C. calosomae is larger than any described Caraboacarus. Setae C2 are distinctly longer than c: setae of other species. The club of the bothridial seta is without spines. Additional differences in proportions and setal lengths are noted in Table 2. Discussion. Caraboacarus was erected bv Krczal (1959) for Caraboacarus stammeri. Mahunka (1970) erected the family Caraboacaridae to include C. sTammen'. Kickel and Elzinga (1969) described the second species, C. karenae from :\1ichigan and Kansas. Kurosa (1980) reported C. stammeri from Japan. Husband and Husband I 198.+ I reported C. stammeri from China and described C. IOws!e,'i from Guadalcanal Island. The record of C. calosomae from S. America, the first record'from this continent. is an indication that the genus may be worldwide in distribution in association with Carabidae. Only the adult female stage of Caraboacarus spp. has been collected. 2The Great Lakes Entomologist, Vol. 19, No. 2 [1986], Art. 12https://scholar.valpo.edu/tgle/vol19/iss2/121986 THE GREAT LAKES ENTOMOLOGIST 117 Table I. Total setae and solenidia on leg segments of Caraboararus calosomae. Coxa Trochanter Femur Genu Tibia Tarsus Leg I 4 3 7 II solenidion I J Leg II 2 3 3 4 7 solenidion J I Leg 1Il 3 2 3 4 7 solenidion I 0 Tibiotarsus IV Leg IV 3 2 2 II solenidion 0 E E N. o 2 Fig. 2. Caraboacarus calosomae n. sp., ventral aspect. 3Husband: A New Species of Caraboacarus (Acari: Caraboacaridae) FromPublished by ValpoScholar, 1986118 THE GREAT LAKES ENTOMOLOGIST Vol. 19, No.2 Table 2. Comparison of measurements of C. calosomae with C. stammeri, C. towsleyi and C. karenae. C. calosomae C. stammeri C. karenne C. towsley; Idiosoma Length Idiosoma Width 173 124 132.6 114 Gnath. Width 65.5 64 61.2 62 Gnath. Length 37.5 30 30.2 24.8 Chel. Length 19' 25 27.3 22 Dors. Gn. Setae 21.5' 26 23.8 18.5 Bothridial Setae 24 27 22.8 18 Setae Vt 32 28 25.5 17.8 Setae SC 50 46 42.5 21.5 Setae C, 35b 34 31 18 Setae C2 Setae d 136 33b 104 37 93.8 32.6 48 19.5 Setae f 33b 33 29 21 Coxae la Setae 14 12 12.6 7 Coxae 2b Setae 38 23 21.3 10.6 Coxae 3a Setae Coxae 3b Setae 23 20b 22 20 21.2 20.4 8 8.4 Coxae 4b Setae 32 18 20 10 Troch. III Setae 33 30 263 15.2 Tarsus IV 88 64 58.5 36.4 Longest Setae Tibial 12 12 1l 8 Solenidion <p 'Structure not flat, at an angle bPart of setae broken off ACKNOWLEDGMENT The aid of Gary Dunn, Michigan State University, with the taxonomy of the host beetle is gratefully acknowledged. LITERATURE CITED Husband, Robert W. and Suzanne M. Husband. 1984. Caraboacarus towsleyi n. sp. (Acarina: Caraboacaridae) associated with Egadnoma sp. (Carabidae) on Guadalcanal Island. Michigan Academician. 16:157-166. Krczal, H. 1959. Beitrage zur Systematik and Okologie mitteleuropaischer Acarina. Bd. I: Tyroglyphidae and Tarsonemini, Teil 2, p. 570. Kurosa, Kazuyoshi. 1980. Caraboacaridae, Pygmephoridae, Scutacaridae pp. 214-241 in S. Ehara (ed.). Illustrations of the mites and ticks of Japan, Kenkolru Noson Kyokai, Inc. Tokyo, Japan. Lindquist, E. E. 1976. Transfer of the Tarsocheylidae to the Heterostigrnata, and reassignment of the Tarsonernina and Heterostigrnata to lower hierarchic status in the Prostigmata (Acari). Canadian Entomo!. I08:2~. __. 1977. Homology of dorsal opisthosomal plates, setae and cupules of heterostigmatid mites with those of other eleutherengone Prostigmata (Acari). Acarologia 19:97-104. 4The Great Lakes Entomologist, Vol. 19, No. 2 [1986], Art. 12https://scholar.valpo.edu/tgle/vol19/iss2/121986 THE GREAT LAKES ENTOMOLOGIST 119 Mahunka, S. 1970. Considerations of the systematics of the Tarsonemina and the description of new European taxa (Acari: Trombidiformes). Acta Zoo!. Acad. Cad, Sci. Hung. 16(1-2): 137-174. Nickel, P. A. and R. J. Elzinga. 1969. Caraboacarus karenae, a new mite from carabid beetles, with notes on its biology (Acari: Pyemotidae). J. Kansas Entomo!. Soc. 42:222-229. 5Husband: A New Species of Caraboacarus (Acari: Caraboacaridae) FromPublished by ValpoScholar, 1986

A New Species of \u3ci\u3eCaraboacarus\u3c/i\u3e (Acari: Caraboacaridae) From \u3ci\u3eCalosoma Argentinense\u3c/i\u3e  (Carabidae) From Chile

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A New Species of \u3ci\u3eCaraboacarus\u3c/i\u3e (Acari: Caraboacaridae) From \u3ci\u3eCalosoma Argentinense\u3c/i\u3e (Carabidae) From Chile

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