Aphanogmus dictynna Waterston
| Main Authors: | Buffington, Matthew L., Polaszek, Andrew |
|---|---|
| Format: | info publication-taxonomictreatment Journal |
| Terbitan: |
, 2009
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| Subjects: | |
| Online Access: |
https://zenodo.org/record/6218172 |
| ctrlnum |
6218172 |
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| fullrecord |
<?xml version="1.0"?>
<dc schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><creator>Buffington, Matthew L.</creator><creator>Polaszek, Andrew</creator><date>2009-12-31</date><description>Aphanogmus dictynna (Waterston) (Fig 1–10) Calliceras dictynna Waterston, 1923: 116 –118. Ceraphron dictymna (Waterston); Risbec, 1950: 552 (misspelling) Ceraphron dictynnus (Waterston); Masner, 1965: 12. Aphanogmus dictynna (Waterston); Dessart, 1971: 99; Johnson & Musetti, 2004: 14. Aphanogmus sp. Jaramillo & Vega, 2009: 114. Redescription. Female (Fig 1) body length: 0.82 –1.00 mm. Colour: Dark brown, head almost black. Scape and pedicel yellow, remaining antennomeres mid brown. Hind coxae pale in striking contrast to the metapleura and metasoma. Hind trochanters slightly darker than coxae and all femora and tibiae mid brown, much paler than mesosoma. Terminal metasomal terga paler than preceding ones. Tarsi pale. Wings hyaline. Morphology: Head globose. In dorsal view, maximum head width 1.3 x head length at midpoint; maximum head width 1.5 x maximum head length. Head in frontal view with antennal scrobes united into a single frontal depression. Sculpture of depression transverse, and distinct from fine reticulate sculpture of remaining frons (Fig. 2). Occeli in an equilateral triangle, lateral occeli equidistant from each other and from compound eye orbits. Anterior occelus with a small depression in front, containing a minute fovea. A shallow groove extending from stemmaticum to occiput. Antennae (Fig. 3 A) 10 -segmented, without a distinct clava (club) unless F 10, being more than 2 x the length of F 9, is considered as a 1 -segmented clava.. Mesosoma strongly flattened laterally (Fig. 4). In dorsal view appearing much narrower than head; maximum width of mesosoma 0.7 x maximum head width. A single shallow median groove extending the length of the mesoscutum. Notauli and parapsidal lines absent. Mesoscutellum (scutellum) elongate-oval in dorsal view, laterally with striate carinae (Figs 4, 5) characteristic of the A. hakonensis complex. Dorsellum present, unsculptured. Propodeum with a row of 8–9 deep foveae on each side. Mesosoma in lateral view (Fig. 5) with fused meso- and metapleura with strong carinae fading posteriorly to an area of reticulate sculpture. Wing (Fig. 10) with radial vein elongate and smoothly curving. Metasoma in dorsal view with T 1 occupying more than 0.5 of its total length; with a strong transverse carina anteriorly (Fig. 7). Anterior T 1 laterally with reticulate patches of sculpture each with about 6 setae, otherwise T 1 completely smooth, unsculptured, with no longitudinal carinae. T 3 -T 5 with reticulate sculpture anteriorly. S 1 laterally, centrally with a reticulate patch of sculture bearing about 10 setae, ventrally more densely setose. Male (Figs 6, 8– 10) body length: 0.65 –1.00 mm. Colour as female, except antennal scape and pedicel as dark as remainder of antenna. Morphology as in female except for the moniliform antennae (Fig. 3 b) and genitalia characters. Genitalia with the parameres (Fig. 6) very strongly lobed externally, the lobes bearing long setae apically. Parameres less than half the length of the entire genital capsule, though approaching half the length in some individuals. Digiti large and conspicuous, as long as apical section of parameres, with three teeth. Aedeagus with tip blunt. Material examined: Holotype Ƥ UGANDA: Najunga, 24.v. [19] 21 H. Hargreaves coll. Presented by Imperial Bureau of Entomology. TYPE 9.121 (NHM, on a single slide). Paratypes 4 Ƥ 13 same data as Holotype; 3 Ƥ 13 on slides, 1 Ƥ card mounted. 1 Ƥ 13 KENYA: ex Cephalonomia stephanoderis on Hypothenemus hampei F. Infante, CIBC, ii. 1982 (NHM); 25 Ƥ 253, KENYA: Kisii District, Western Kenya; 00º 25 ’S, 34 º 28 ’E, 1510m, Jarmillo & Vega, July, 2008 [ex Prorops nasuta; specimens taken from rearing facility at ICIPE in Nairobi by first author] ICIPE, NHM USNM). Comments. One male examined in the recently collected Kenyan material was substantially smaller (about 75 % body length) than the others studied. Its small size appears to have a marked effect on head sculpture, especially of the frons (see Figs 8 & 9). Reticulate sculpture in the smaller individual was less rugose, with the cells much larger in relation to overall head size. Other aspects of morphology, including genitalia, suggest strongly that this is a size effect and not indicative of a different species. Scanning electron micrographs of the fore wing base (Fig. 10) reveal the structure of the basal marginal vein to be composed of successive inverted triangular elements. We have not observed this before, although it may be widespread in Ceraphronidae. Among the described species of Aphanogmus, A. dictynna appears to be most similar morphologically to A. manilae, an extremely common and polyphagous species occurring from India to eastern Australia, and most often reared as a hyperparasitoid of pest Lepidoptera larvae. It can be separated morphologically from A. manilae by the following combination of characters: i) female antennae of A. manilae with a distinct 3 - segmented clava, at least as distinguished by being dark brown in distinct contrast to the remaining antennomeres; ii) all legs pale yellow; iii) A 9 of female antenna quadrate (transverse in A. dictynna); iv) head only slightly wider than mesosoma in dorsal view (1.2 x; - 1.5 x wider in A. dictynna); v) posterior meso- +metapleuron without reticulate area; vi) T 1 of metasoma with many longitudinal carinae basally. Biologically, A. manilae is most commonly associated with braconids, especially microgastrines, but has once been reared from the cocoons of a Goniozus species (Bethylidae: Bethylinae) (Polaszek & Dessart, 1996). Aphanogmus dictynna appears also to be morphologically very similar to another species known from bethylids, A. goniozi Dessart (Dessart, 1988) a species described from females only. Examination of the type series of A. goniozi reveals that it differs from A. dictynna in exactly the characters listed above for A. manilae, to which A. goniozi is apparently even more similar morphologically.</description><description>Published as part of Buffington, Matthew L. & Polaszek, Andrew, 2009, Recent occurrence of Aphanogmus dictynna (Waterston) (Hymenoptera: Ceraphronidae) in Kenya — an important hyperparasitoid of the coffee berry borer Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae), pp. 62-68 in Zootaxa 2214 on pages 63-66, DOI: 10.5281/zenodo.275177</description><identifier>https://zenodo.org/record/6218172</identifier><identifier>10.5281/zenodo.6218172</identifier><identifier>oai:zenodo.org:6218172</identifier><relation>info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/3C780612973BFFFEC1BD2B8BFBDDFD6E</relation><relation>doi:10.5281/zenodo.275177</relation><relation>url:http://publication.plazi.org/id/C0417E6A973AFFFAC12A297DFFEDFFA1</relation><relation>doi:10.5281/zenodo.275178</relation><relation>doi:10.5281/zenodo.275179</relation><relation>doi:10.5281/zenodo.275180</relation><relation>doi:10.5281/zenodo.6218171</relation><relation>url:https://zenodo.org/communities/biosyslit</relation><rights>info:eu-repo/semantics/openAccess</rights><rights>https://creativecommons.org/publicdomain/zero/1.0/legalcode</rights><source>Recent occurrence of Aphanogmus dictynna (Waterston) (Hymenoptera: Ceraphronidae) in Kenya — an important hyperparasitoid of the coffee berry borer Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae), pp. 62-68 in Zootaxa 2214 63-66</source><subject>Biodiversity</subject><subject>Taxonomy</subject><subject>Animalia</subject><subject>Arthropoda</subject><subject>Insecta</subject><subject>Hymenoptera</subject><subject>Ceraphronidae</subject><subject>Aphanogmus</subject><subject>Aphanogmus dictynna</subject><title>Aphanogmus dictynna Waterston</title><type>Other:info:eu-repo/semantics/other</type><type>Other:publication-taxonomictreatment</type><recordID>6218172</recordID></dc>
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| format |
Other:info:eu-repo/semantics/other Other Other:publication-taxonomictreatment Journal:Journal Journal |
| author |
Buffington, Matthew L. Polaszek, Andrew |
| title |
Aphanogmus dictynna Waterston |
| publishDate |
2009 |
| topic |
Biodiversity Taxonomy Animalia Arthropoda Insecta Hymenoptera Ceraphronidae Aphanogmus Aphanogmus dictynna |
| url |
https://zenodo.org/record/6218172 |
| contents |
Aphanogmus dictynna (Waterston) (Fig 1–10) Calliceras dictynna Waterston, 1923: 116 –118. Ceraphron dictymna (Waterston); Risbec, 1950: 552 (misspelling) Ceraphron dictynnus (Waterston); Masner, 1965: 12. Aphanogmus dictynna (Waterston); Dessart, 1971: 99; Johnson & Musetti, 2004: 14. Aphanogmus sp. Jaramillo & Vega, 2009: 114. Redescription. Female (Fig 1) body length: 0.82 –1.00 mm. Colour: Dark brown, head almost black. Scape and pedicel yellow, remaining antennomeres mid brown. Hind coxae pale in striking contrast to the metapleura and metasoma. Hind trochanters slightly darker than coxae and all femora and tibiae mid brown, much paler than mesosoma. Terminal metasomal terga paler than preceding ones. Tarsi pale. Wings hyaline. Morphology: Head globose. In dorsal view, maximum head width 1.3 x head length at midpoint; maximum head width 1.5 x maximum head length. Head in frontal view with antennal scrobes united into a single frontal depression. Sculpture of depression transverse, and distinct from fine reticulate sculpture of remaining frons (Fig. 2). Occeli in an equilateral triangle, lateral occeli equidistant from each other and from compound eye orbits. Anterior occelus with a small depression in front, containing a minute fovea. A shallow groove extending from stemmaticum to occiput. Antennae (Fig. 3 A) 10 -segmented, without a distinct clava (club) unless F 10, being more than 2 x the length of F 9, is considered as a 1 -segmented clava.. Mesosoma strongly flattened laterally (Fig. 4). In dorsal view appearing much narrower than head; maximum width of mesosoma 0.7 x maximum head width. A single shallow median groove extending the length of the mesoscutum. Notauli and parapsidal lines absent. Mesoscutellum (scutellum) elongate-oval in dorsal view, laterally with striate carinae (Figs 4, 5) characteristic of the A. hakonensis complex. Dorsellum present, unsculptured. Propodeum with a row of 8–9 deep foveae on each side. Mesosoma in lateral view (Fig. 5) with fused meso- and metapleura with strong carinae fading posteriorly to an area of reticulate sculpture. Wing (Fig. 10) with radial vein elongate and smoothly curving. Metasoma in dorsal view with T 1 occupying more than 0.5 of its total length; with a strong transverse carina anteriorly (Fig. 7). Anterior T 1 laterally with reticulate patches of sculpture each with about 6 setae, otherwise T 1 completely smooth, unsculptured, with no longitudinal carinae. T 3 -T 5 with reticulate sculpture anteriorly. S 1 laterally, centrally with a reticulate patch of sculture bearing about 10 setae, ventrally more densely setose. Male (Figs 6, 8– 10) body length: 0.65 –1.00 mm. Colour as female, except antennal scape and pedicel as dark as remainder of antenna. Morphology as in female except for the moniliform antennae (Fig. 3 b) and genitalia characters. Genitalia with the parameres (Fig. 6) very strongly lobed externally, the lobes bearing long setae apically. Parameres less than half the length of the entire genital capsule, though approaching half the length in some individuals. Digiti large and conspicuous, as long as apical section of parameres, with three teeth. Aedeagus with tip blunt. Material examined: Holotype Ƥ UGANDA: Najunga, 24.v. [19] 21 H. Hargreaves coll. Presented by Imperial Bureau of Entomology. TYPE 9.121 (NHM, on a single slide). Paratypes 4 Ƥ 13 same data as Holotype; 3 Ƥ 13 on slides, 1 Ƥ card mounted. 1 Ƥ 13 KENYA: ex Cephalonomia stephanoderis on Hypothenemus hampei F. Infante, CIBC, ii. 1982 (NHM); 25 Ƥ 253, KENYA: Kisii District, Western Kenya; 00o 25 ’S, 34 o 28 ’E, 1510m, Jarmillo & Vega, July, 2008 [ex Prorops nasuta; specimens taken from rearing facility at ICIPE in Nairobi by first author] ICIPE, NHM USNM). Comments. One male examined in the recently collected Kenyan material was substantially smaller (about 75 % body length) than the others studied. Its small size appears to have a marked effect on head sculpture, especially of the frons (see Figs 8 & 9). Reticulate sculpture in the smaller individual was less rugose, with the cells much larger in relation to overall head size. Other aspects of morphology, including genitalia, suggest strongly that this is a size effect and not indicative of a different species. Scanning electron micrographs of the fore wing base (Fig. 10) reveal the structure of the basal marginal vein to be composed of successive inverted triangular elements. We have not observed this before, although it may be widespread in Ceraphronidae. Among the described species of Aphanogmus, A. dictynna appears to be most similar morphologically to A. manilae, an extremely common and polyphagous species occurring from India to eastern Australia, and most often reared as a hyperparasitoid of pest Lepidoptera larvae. It can be separated morphologically from A. manilae by the following combination of characters: i) female antennae of A. manilae with a distinct 3 - segmented clava, at least as distinguished by being dark brown in distinct contrast to the remaining antennomeres; ii) all legs pale yellow; iii) A 9 of female antenna quadrate (transverse in A. dictynna); iv) head only slightly wider than mesosoma in dorsal view (1.2 x; - 1.5 x wider in A. dictynna); v) posterior meso- +metapleuron without reticulate area; vi) T 1 of metasoma with many longitudinal carinae basally. Biologically, A. manilae is most commonly associated with braconids, especially microgastrines, but has once been reared from the cocoons of a Goniozus species (Bethylidae: Bethylinae) (Polaszek & Dessart, 1996). Aphanogmus dictynna appears also to be morphologically very similar to another species known from bethylids, A. goniozi Dessart (Dessart, 1988) a species described from females only. Examination of the type series of A. goniozi reveals that it differs from A. dictynna in exactly the characters listed above for A. manilae, to which A. goniozi is apparently even more similar morphologically. Published as part of Buffington, Matthew L. & Polaszek, Andrew, 2009, Recent occurrence of Aphanogmus dictynna (Waterston) (Hymenoptera: Ceraphronidae) in Kenya — an important hyperparasitoid of the coffee berry borer Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae), pp. 62-68 in Zootaxa 2214 on pages 63-66, DOI: 10.5281/zenodo.275177 |
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